Javascript in delphi. ExecScript I inject t.

Javascript in delphi In this guide, we will explore the features, advantages, disadvantages, and how these languages fare when converting or translating source code from one to the other. But I can't. So I wonder if it is hard to update the source of the delphi-javascript spidermonkey library to the latest version of the mozilla's spidermonkey javascript engine. When the domain of the page your working on matches that of an inserted image an absolute URL is changed to be a relative URL. This is Sep 28, 2020 · For executing JS you could use Chakra or mORMot or BESEN. If this is from database, the database is not using UTF-8 and so on. It would be very nice if you could register complete Delphi classes and make them available to JavaScript. I'm currently using Delphi. paxCompiler is a commercial library and component set. Mar 1, 2012 · I am attempting to build a system in delphi that allows users to use Google Maps. It does not list any menus and projects and appears like an erroneus page. Document as IHTMLDocument2 do with ParentWindow do Sep 2, 2024 · I have a program that leverages Google Maps from embedded JavaScript in Delphi (XE6). item(i). 您还可以向CEF4Delphi注册一个"JavaScript扩展“，以从JavaScript执行Delphi代码。 这是迄今为止最复杂的解决方案，因为它涉及从TCefv8HandlerOwn继承的自定义类的创建和注册。 Sep 22, 2009 · Javascript in delphi applications. 1 Cross-platform JavaScript framework for Delphi. Button1Click(Sender: TObject); var Persist: IPersistStreamInit; Document: Nov 6, 2013 · Adding Javascript processing capability to TWebBrowser in iOS. So, besides I think this really answer your question, you should research more if you want use this. OleObject. Problems outputting Javascript from WebBroker application. 1 Passing data from browser Javascript to Delphi application. Jun 1, 2011 · I am trying (and failing) to output Javascript to the page. 4 Adding a script element to an existing Jul 3, 2024 · It is indeed possible for your JavaScript code to call back into your Delphi code using extensions. ##Build v8dll. The code in my Delphi app May 20, 2012 · I have a Delphi 6 app that embeds the Chromium web browser. 以上可能是我使用的不好，但没有找到解决办法。 后面想到直接采用运行JavaScript代码，找到了”万一的 Delphi 博客“ 在 Delphi 中调用 JavaScript(2) - 万一 - 博客园 (cnblogs. 4046. Now I have here value 2af9, so when I open the URL above it reports I have IE11 with JavaScript disabled. Asking for help, clarification, or responding to other answers. I took the same code that I used for TWebBrowser, stripped down to its minimum. execScript method. MainFrame. Jun 18, 2013 · Execute JavaScript in Delphi, get no results. The JSKit allows you to evaluate JavaScript programs from within Oct 15, 2020 · Getting started with SpiderMonkey to run JavaScript in Delphi Check out an interesting article, which describes how to incorporate JavaScript in Delphi, call Delphi objects This example illustrates how to incorporate JavaScript in Delphi, call Delphi objects in a script, exchange data between the main app and a script, and use Node. That’s no mean feat: current generation JavaScript engines run not just faster than Delphi, but also Aug 22, 2015 · How can I execute Javascript in my Delphi program without TWebBrowser? 2. To keep full URLs put the images on another domain (or drive letter in this case). WebButton1Click(Sender: TObject); begin // call javascript // some kind of This example illustrates how to incorporate JavaScript in Delphi, call Delphi objects in a script, exchange data between the main app and a script, and use Node. That is because CORS policy steps in. How to parse this json data in Delphi 10. My question is this: how can I get my javascript application to tell my Delphi form when it has finished initializing so it knows when to access the desired function? Nov 27, 2017 · So I decided to make some blog entries about JavaScript and ExtJS dedicated for VCL developers (Delphi / C ++). GetElementByID('uidPasswordLogon'). To review, open the file in an editor that reveals hidden Unicode characters. The same-origin request policy can be disabled in Chrome using the - Jul 24, 2021 · 后面发现多次使用后delphi自带的HttpEncode会报Out of Memory. Some time ago, I worked on integrating the PascalScript engine into TaskRunner. I've also tried using WebBrowser1. Mar 11, 2022 · TEdgebrowser is supposed to run Javascript and it does. In this post I will show, how you can interact with a google map embedded in a TWebbrowser component in order to get the location (latitude and longitude) of a point when you click in the map. I want to click the Chrome microphone button (speech input control) from Javascript. There's a reason why an internet browser is a very complex software and not just a downloader. Skip to content. 4. There’s an old Delphi Jan 1, 2024 · WebUI4Delphi is a WebUI wrapper, which allows you to use any web browser as a GUI, with Delphi or Lazarus/FPC in the backend and HTML5 in the frontend. 2 Event is not getting fired. Delphi Parse JSON. JavaScript. Delphi 2009 has support for JSON as part of the new DataSnap (not sure how easy it is to use standalone). I am running Windows 10 Pro, 22H2, 19045. Feb 28, 2018 · Like the C++ wrapper, the goal of this class is to greatly simplify common JavaScript+Delphi scenarios. Nov 30, 2016 · i use Register function of TCefRTTIExtension Class to register an appName, to call my delphi app from JS running in the chromium. The problem with this is that is only half the problem solved - you still have to understand each token in context Dec 27, 2011 · AFAIK the main focus of the original author of this scripting engine was to make it possible to embed Pascal scripts into HTML pages, just like ie PHP does it. I d Aug 16, 2021 · In Delphi all the job is done using 3 components tot make the API call. call Pascal functions from JS, call JS functions from Pascal code, execute JavaScript, etc. The SUBST command can be used on a Windows command prompt to make another drive letter point to C: if you don't want to move Jul 11, 2024 · 有时做项目难免用到代码交叉调用，delphi中执行js就是一种，两种方法可用： 一、使用webbrower，比较麻烦 二、使用ScriptControl，简单方便： 1. 0 but it also supports Delphi XE2. I tried the usual method of calling the button's click() handler, but nothing happened. It seems there's a Jun 15, 2013 · I have to show a slide show containing javascript language using TWebBrowser Component in Delphi 2010. May 4, 2018 · Another way to send any data from JavaScript to Delphi is adding CEF4Delphi to your Delphi invoicing software. Jul 6, 2012 · @MiguelE Yeah, that's because the string is not encoded in UTF-8. 3版，注意，属于FMX类型的控件，作者说支持Windows,MacOS,Android及iOS. How to click JavaScript Button WebBrowser Delphi. Now I want to return a value from a function that called in JS. 0 Reload telerik grid after data update. Jan 1, 2024 · WebUI4Delphi is a WebUI wrapper, which allows you to use any web browser as a GUI, with Delphi in the backend and HTML5 in the frontend. Sep 2007 · letzter Beitrag vom 8. Stack Overflow. Follow asked Jan 6, 2011 at 11:54. Typescript and ASP. RadiX RadiX. Decode to remove v8delphiwrapper is a Delphi wrapper for V8 JavaScript Engine. Hence the name "Delphi Web Script". net web-browser. The reasoning I used for selecting Delphi was simple. _createSettings Jan 16, 2025 · I'm using FMX. Load 7 more related questions Show 热门信息 delphi 动态数组的使用 delphi多线程TThread详解 delphi try except语句 和 try finally语 delphi中常用字符串处理函数 delphi Inc函数和Dec函数的用法 推荐区 txt文本处理 查询128 说一段 简搜 短笑话 IP查询 正则大全 在线加密解密工具 在线文本筛选工具 1234828网址导航 windows库 Aug 28, 2024 · 首先，确保已在Delphi中添加了EdgeWebView2的引用。在Delphi IDE中，选择"项目"菜单 -> "管理引用"，在弹出的对话框中找到"EdgeWebView2"并勾选它，然后点击"确定"按钮。通过上述步骤，可以在Delphi中检验是否安装了EdgeWebView2。属性不为空，则表示已安装EdgeWebView2；组件来创建一个Web浏览器控件。 调用一个DLL比写一个DLL要容易一些。首先给大家介绍的是静态调用方法，稍后将介绍动态调用方法，并就两种方法做一个比较。同样的，我们先举一个静态调用的例子。 上面的例子中我们在窗体上放置了一个编辑框（Edit）和一个按钮（Button），并且书写了很少的代码来测试我们刚刚编写的Delphi. 3. Generate javascript objects from C# dto classes. observe is not a function at WebInspector. Registriert seit: 31. How can I get the m Jan 14, 2012 · Not sure that I want a total delphi based server solution. JavaScript is very easy to implement because it is integrated with HTML Dec 27, 2024 · Take your Delphi & C++Builder projects to the next level with Chakra JScript Engine! RAD Studio. How to Jul 3, 2024 · I want to use TWebBrowser on Android in Delphi XE5 to connect to google maps api. For example I have this procedure on Delphi: procedure JSFeekback(aParm1, aParm2, aParm3, aParm4: string); and I want use Javascript code on TWebBrowser to call it an pass 4 parameters. I can't see the reason why it doesn't work here. In JS, for (var i=0; i<m-1; i++) will stop before executing the iteration where i equals m-1. Is it possible to host the Windows Script Host engine in my application and supply it with scripts to execute? Or, is there a . inspector. And the other is about May 10, 2011 · A while back, I posted of FireFox 4 JavaScript engine running around Delphi when it came to floating point performance on the Mandebrot set, since then, Chrome got updated to version 11, and further raised the bar by beating FireFox by about 20% in that benchmark. How to press a button in vb. Gibt es eine Möglichkeit zum aufrufen von Javascript-code aus Delphi, ohne einen TWebBrowserKomponente? Aug 1, 2011 · Working as designed. browser. Ein Thema von fly_singapore · begonnen am 5. Sep 2006 Antwort alcaeus. This is lexing. I want to load this code into the browser. Counter:=Self. EditText(CONST HTMLCode: string); {VAR Doc: Jan 7, 2014 · i am trying to press a button in javascript using chromium. The JSExtension demo shows how to register customized JavaScript functions that execute Delphi code and send the results to your invoicing software. 1 delphi twebbrowser modify html before loaded. There's no problem in getting data on the client side, as soon as I want to process the data into TJSonObject to append them into the dataset later on. TWebBrowser. 2 and tested against the demos included in the original package. Jul 26, 2011 · Execute JavaScript in Delphi, get no results. My problem is that even once the webbrowser is destroyed May 6, 2015 · I can successfully raise an event from JS into my delphi application using the technique described in this link: Delphi Chromium Embedded - communication between Javascript and application code. But I bumped into an annoying bug. I’m impressed with Marc Gusmano article on the Sencha Blog. js after successfully building node. 0. Apr 22, 2021 · Das ermöglicht den Einsatz des Designers in der Entwicklungsumgebung. js:10392 Uncaught TypeError: Object. innerHTML on the RHS of the assignment is simply that I found that if the RHS contains only the Script js, the js does't execute. I tried to use a delay loading the page and send information about completion through an additional variable, but the event OnLoadEnd is triggered before JS and other similar, so do not always get the correct information. The code is working fine, but when more than 10 records are found, the website shows a link to a Next() javascript function that loads the next 10 records and so on. How to parse a json string response using Delphi. dll. Jul 7, 2017 · I want to execute large javascript but im stuck. Mar 29, 2017 · I'm having difficulty pressing a button using delphi and javascript. - salvadordf/WebUI4Delphi. But it will be too tiring and boring. log()' JS command. Parsing JSON using Delphi 7. JavaScript (MDN) Modern Javascript: Feb 24, 2010 · Calling a JavaScript function in a TWebBrowser is easy, but getting a return value from it is hard. Edit: I've tested it in Delphi Apr 9, 2020 · Register a JavaScript extension to call custom functions that execute Delphi code. That code can send a process message to send any information to the browser process. io and websockets so either one would be great. Aug 23, 2010 · I am programming a desktop application in Delphi. Oct 19, 2017 · I have issue with a Delphi ActiveX control. but i'm noticing that every time a new TWebBrowser object is created and the javascript that handles Google Maps is loaded, a number of new Threads is generated. I say this because Microsofts generic login does offer the user to stay logged in but this still requires the user to do a first login and tick the ''keep me logged in'' prompt. FRAGE: Ich lade eine Website mit TWebbrowser in Delphi XE6. JavaScript is a lightweight, interpreted programming language. ). 43 1 1 silver badge 4 4 bronze badges. I want the Node. Das TMS Web Feb 12, 2010 · My ultimate goal is to make a automated service to export the AnyChart charts to PNG format. For example I want to open a new Delphi form on clicking on html button with additional data attribute. ovElements. It stops after the first request and does not Aug 27, 2024 · 在 Delphi 中使用 WebView2 控件时，可以通过与 JavaScript 进行交互，扩展 JavaScript 函数以调用 Delphi 中的功能。实现这一点的关键是通过 WebView2 提供的 AddHostObjectToScript 方法，将 Delphi 对象注入到 JavaScript 中。 然后，你可以在 JavaScript 中调用这些对象的方法。 Dec 4, 2013 · Javascript in Delphi TWebBrowser, Closing Threads. Navigate(f); //Writing a string to body with WebBrowser. Exploring ES6: Upgrade to the next version of JavaScript. They are the TRESTClient, TRESTRequest, and TRESTResponse. The javascript I need to output is in the body of the page in a <form> tag, and is as follows: <script>DateInput('mydatefield', true, 'DD-MM-YYYY');</script> This javascript should create a nice date input control (tested ok in a hand-crafted HTML page). Aug 1, 2011 · To access JavaScript arrays you have to deal with IDispath, here is wrapper class to handle it: unit jsobj; Passing data from browser Javascript to Delphi application. js'; and when I tested in chrome and the result was: Not allowed to load local resource: + the file path (which is ok). Where did you found the vaOut value is boolean ? How do you know the result of the currently executed command will be boolean and will mean True to execute ? Next, you're mixing result values, I've told you 你也可以在 CEF4Delphi 中注册一个 "JavaScript 扩展" 来执行来自 JavaScript 的 Delphi 代码。 这是迄今为止最复杂的解决方案，因为它涉及创建和注册从 TCefv8HandlerOwn 继承的自定义类。 Sep 27, 2011 · So far as I can tell, the javascript only finishes loading on my final end; statement in delphi, so the functions (so far as my program is concerned) do not exist at that moment in time. Jul 8, 2021 · I am working on an old project written in Delphi. Jul 15, 2018 · Hi I've been testing and playing with tms web core, just loving the great job you tms guys have done! But how do I execute or call javascript from delphi?, For example I have button on my delphi web core form and in the click event I want to call a javascript procedure TForm1. Getting started with SpiderMonkey to run JavaScript in Delphi Sep 22, 2012 · Previously I would load a web page into a TWebBrowser component and interact with the Javascript code in the loaded web page. So we just ignore the ‘null’ values. My Delphi code: (I use DCPcrypt Cryptographic Component Library v2 Beta 3) procedure TForm1. Delphi. JavaScript throws an error: "Object doesn't support property or method 'Method1'". Jul 13, 2018 · There are no multi-code-line constants in Delphi. I can display the map by clicking on a button using the address, but not when the form loads. 0 Delphi-PRAXiS Programmierung allgemein Netzwerke Prism Javascript in Delphi. Document as Jan 15, 2015 · How to parse specified value from JSON object in Delphi XE3? 8. While I am playing in IE Browser it doesn't show any errors. Parsing JSON Array in Delphi. 1 Click a button using delphi and javascript. v8delphiwrapper is a Delphi wrapper around the Google Chrome V8 JavaScript engine. Oct 12, 2011 · delphi webbrowser: how to prevent or hide that javascript error? 0 Suppress the “are you sure you want to leave this page” popup in the Delphi TWebbrowser control About Delphi. Async( procedure; begin Sleep(200); Self. Apr 17, 2014 · And as an example of execution JavaScript, I define two buttons for showing predefined paths from “Chicago” to “Winona” and from “St Louis” to “Gallup”. js files to another directory then I set the path to the javascript file projectDirectoryPath := GetCurrentDir + '\scripts\script. X-src\build\Release\lib to build the v8delphiwrapper dll code Jul 9, 2014 · I'm using DCEF3, revision 24038bd3a600, and I should want to communicate between Javascript code in browser and Delphi code of application. You have to host those engines yourself, Jan 30, 2022 · Pas2js for Delphi was developed using Delphi 10. x, I want to navigate to local file like index. Delphi has an IncMinute() function in the May 21, 2014 · @Andy_D I moved the . Click a button using delphi and javascript. In dieser Website werden nach dem Laden Javascript Functionen ausgeführt. dll。 Delphi-PRAXiS Programmierung allgemein Netzwerke Prism Javascript in Delphi. Click; With Chromium i am using code := ' Jul 31, 2009 · I'm not sure if this is feasible but for PHP would you be able to invoke the PHP CLI from Delphi to get the information? If so you could call token_get_all() and then spit out the result in something that you can parse in Delphi (maybe xml, json, etc. create javascript object. js to the Delphi app? Mar 12, 2021 · This event fires after every call to ExecuteScript, but the AResultObjectAsJson will be 'null' if no results are returns. So I made a service with Indy which calls pages containing the AnyChart javascript. This includes: basic RTL tests, Charts, Bootstrap, Pacman and Tetris web games, WebGL, etc. 通用函数： function ExecScript(Code,Lang,Func:string):string; var script:OleVariant; begin try JavaScript and Delphi: A Comprehensive Guide. MYSTRING = 'line 1' + sLineBreak + 'line 2' + sLineBreak + 'line 3'; (You can format that across multiple lines if you want) or if you don't need cross-platform code you can do this: Oct 2, 2012 · Hey, as @RRUZ said, Google is taking down some of the old API, and I am not sure how long this will work. Net IScriptControl. ExecScriptEx not working with JavaScript. I send it with TWebBrowser's HTMLWindow2. Okt 2004 · letzter Beitrag vom 5. @daemon_x It really isn't a js question. HTML CODE Jul 1, 2024 · I'm looking to execute user supplied scripts from my Delphi application. js. For example, I click a button on Delphi and perform the JS function within the browser, it returns me as True value, I need Delphi take this value in a variable or something. The functionality I'm looking for is to capture javascript errors as well as being able to pause script execution and step through it (or similar). You cannot host WSH as WSH is a program that hosts the VBS or JS scripting engines. WebUI4Delphi includes JavaScript – Javascript in Delphi TWebBrowser, Closing Threads. lib files in directory node-vX. N America Asia Europe Global S America Africa I want to copy the select option values, i. see building node. Apr 22, 2024 · but it looks like it has no impact on Javascript enabling/disabling. 5. Nov 22, 2020 · Register geofences for the platform, e. The server (Node. 2 Tokyo apps in a number of ways. js into Delphi. Jul 8, 2024 · Start from Jun 1, 2016, we have v8delphiwrapper, kudos to the developer @zolagiggszhou. js and may not actually be good enough for current versions of Node. TEmbeddedWB. I wrote my own component which works on WIN platform. dll v8delphiwrapper depends on node. js and cloud-based development) and Elevate Web Builder ( Emphasis on data-driven development) uses Delphi like IDE to design the UI and an Object Pascal to JavaScript transpiler to Create HTML, CSS, Javascript. Sometimes I get a Script Embed Node. Otherwise we use the TNetEncoding. WebUI4Delphi can be used in 64 bit Delphi applications for Windows. //Navigate to local file WebBrowser. Oct 24, 2015 · I'm trying to execute a javascript that has youtube api to the WebBrowser1. I used Twebbrowser and IHTMLDocument2. 3? 9. URL. js app to send different messages to the Delphi application depending on input received from a realtime service. To get the location of the mouse when you make a click in the map you must add a Google maps Event Listener, Apr 20, 2014 · One of the new features in Delphi XE6 Firemonkey is two new functions for TWebBrowser on Android and IOS. log or other methods in the console object in the browser, you need to subscribe to the Runtime. Making statements based on opinion; back them up with references or personal experience. Registriert seit: 11. Jetzt hat er nach dem Documentscomplete Aufruf, die JS änderungen in der Site noch nicht fertig gemacht. log(result); return result; It's not the ideal but worked for me. May 11, 2013 · It is called construct 2 and it uses javascript. Contribute to ivere27/node-delphi development by creating an account on GitHub. Please read and try it yourself. While the focus of the current maintainer, Eric Grange, is on using it as a general purpose scripting engine, it should still be possible to use it for web purposes as well - Mar 13, 2024 · 本文深入探讨如何从 JavaScript 代码调用 Delphi 过程。提供了详细的步骤指南，涵盖了导出 JavaScript 接口、获取窗体实例和调用 Delphi 过程的各个方面。还包括示例代码和常见问题的解答，帮助理解和实现这一过程。通过遵循本文概述的步骤，开发者可以轻松地从网页上访问 Delphi 功能，增强应用程序的 Jan 16, 2025 · I have been trying to follow this tutorial I found: How to call Delphi code from scripts running in a TWebBrowser (part 2 of 6) It explains how I can call Delphi functions through JavaScript. We were a Delphi shop, and the amount of time spent coding was greatly reduced by selecting Delphi as our engine, with some client side Javascript on the browser side. Delphi is an event-driven programming language based on Object Pascal. html that will load some html/js/css, it is working and loaded successfully. Counter+1; end; ); There are more complex solutions like the one you accepted, taking named objects for timer actions and using SetTimer method. e. ExecuteJavaScript (' May 5, 2015 · How to make call of Firemonkey code (callback) from JavaScript code in TTMSFMXWebBrowser? I can perform JavaScript code from Firemonkey, but how I can make a callback or call Firemonkey code/event Jan 1, 2025 · (Delphi uses the documented return value to generate an exception if it is not S_OK). Delphi seems to have a problem with javascript comments if the comments are on the end of a code line, so omit the comments: ' function distance(lat1, lon1, lat2, lon2, unit) '+ ' { '+ ' var Aug 22, 2014 · See jQuery Ajax request from local filesystem (Windows file:///). Now I wanted to add to the body some html text, but it is not working, nothing happened (without raising errors). UPDATE: If you’re using Delphi XE7, the TWebBrowser component now includes the method EvaluateJavascript (does the same thing as what my GetJavaScript result does), and applies to Jan 16, 2020 · So, the goal is to use the Twebbrowser in Delphi to access the sites online Office 365. I fixed the original issue which was a missing semi-colon but no I just don't get any results. You can either use the + operator to concatenate multiple lines with the sLineBreak system constant like this:. I don't use it for anything else. js, with all the work that entails, given that Duktape isn't the default Javascript engine for Node. I've uninstalled and reinstalled Delphi many times but the problem persists. – 5 days ago · Here is my workaroud : use 'console. Technisch gesehen ist eine TMS WEB Core-Anwendung zur Entwurfszeit in Delphi eine VCL-Windows Anwendung. FormCreate(Sender: TObject); begin WebBrowser1. Read the code comments for all the details. I am trying to scrape the data off Googles Adsense web page, with an aim to get the reports. The following article summarizes an experience using Feb 28, 2018 · Duktape is a lightweight, embeddable and cross-platform JavaScript engine. If there is no way I can use this delphi lib as such in a direct way I may look for converting it line by line to javascript. However I have been unsuccessful so far. How to create Javascript Object using IIFE-1. SMS (Emphasis on Node. Parse JSON. Delphi TWebBrowser Wont Run Javascript from LocalHost. Jul 1, 2018 · 用ScriptGate,我们可以轻松实现JavaScript在Delphi上的使用了，目前支持最新的Delphi tokyo 10. Aug 2003 Ort: München Jul 15, 2010 · Possible Duplicate: how to disable javascript errors on “twebbrowser” ? I'm using the TWebBrowser component with Delphi 6. Is there a way to enable Indy to execute javascript? Dec 30, 2011 · But recently my welcome page does not work. procedure ExecuteJavaScript(const code, scriptUrl: ustring; startLine: Integer); In code there is a restriction of 255 chars. Jun 21, 2021 · In order to receive log messages created using console. Text); Accessing Delphi object from js: 1 - Assuming you have a Delphi class like this: TJsAccessableClass = class public function add(a,b: Oct 15, 2020 · Check out an interesting article, which describes how to incorporate JavaScript in Delphi, call Delphi objects in a script, exchange data between the main app and a script, and use Node. Also. Make a new mobile project and drop on the main form TWebBrowser, TPanel and place two TButton on the TPanel. 1 Delphi TWebBrowser get HTML source after AJAX load. Jul 26, 2011 · I thought about implementing this JS back-end to DWS since years And you made it in no time! Congratulations! This is IMHO one of the greatest news in the Delphi world since years. Nov 23, 2014 · The reason for the Element. Delphi - How to make a TEdit label the TWebBrowser curently url. TScriptControl - Class not registered. Aug 19, 2015 · I have an external JavaScript file mypapopup. Linux and MacOS support needs testing. The idea being that the program can be run on any computer without having to put in the credentials at any time. Sep 3, 2019 · 使用 JavaScript Engine 作為基底，可以在應用程式中寫簡單的 JavaScript 語言並且能和 Delphi 程式交互使用，使用 JavaScript 能寫出更為複雜的商業程式內容，而且還不用重新 Apr 11, 2011 · See the following questions: "How can I execute Javascript in my Delphi program without TWebBrowser?" and "Can Indy run Javascript?" (Answers to the former mention SpiderMonkey [Mozilla] and V8 [Google]; my answer to the latter mentions using the Microsoft Script Control ActiveX object for script execution. A call to Randomize must be made somewhere in the program to initialize the random number generator with a new seed. Delphi XE4 Parsing JSON. (I'm using Delphi XE 2, Update 4, Hotfix 1). ScriptGate solves the above challenges: ScriptGate is a library that allows you to call back and forth between JavaScript and Delphi code on TWebBrowser across Android, iOS, macOS, and Windows. Button5Click(Sender: TObject); var Nov 22, 2014 · How can I execute Javascript in my Delphi program without TWebBrowser? 0 EmbeddedWB & jQuery. Try the following: MSHTML_TLB, SHDocVw, ShellAPI; win: IHTMLWindow2; Olelanguage: Olevariant; if doc <> nil then. Ansicht. WebUI4Delphi was developed and tested on Delphi 12. I've been struggling for ages to find an answer to this, and lots of users have asked. what the Feb 17, 2015 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Example : var a = 1; var b = 2; var result = a + b; console. Navigate('javascript: join_game()') But I don't really like that, because I have to wait for the TWebBrowser to completely load the page. _geta() ; I think my code in Delphi have not some essential code. I define one function and I want to call this function from JavaScript. Delphi JSON parser. . How to Aug 13, 2011 · I also tried setVolume(0), and still, nothing. Execute JavaScript in Delphi, get no results. This means that execScript on Delphi always returns and empty variant, not the JavaScript function return value that we may have expected. Is there a way to enable Indy to execute javascript? Jul 7, 2024 · Using: Delphi 2010, latest version of Indy. Feb 12, 2010 · My ultimate goal is to make a automated service to export the AnyChart charts to PNG format. It is guaranteed that the output JS, MAP and HTML files generated by the original Pas2js for FPC and this adaptation are exactly the same. com) Aug 3, 2012 · I'm having trouble converting a string with escaped characters to and from a TJsonString. js modules. Javascript-Funktion in Delphi? Ein Thema von alcaeus · begonnen am 21. the code is well and i have no problem, but after calling the delphi function more and more the VM Size of application grows up and the memory consumption increases. But the problem seems to be that Indy cannot execute the javascript. Main. Hot Network Questions Piano technique: Emphasizing finger movement Apr 4, 2018 · I am using Delphi and TChromium component to automate some tasks. net. My article "How to call JavaScript functions in This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. So I can't do any modifications in javascript code but can do in delphi code. If I try to run the code manually in any browser on my computer, it works perfectly. So far I've been using TWebBrowser component for 1) loading a page completely and 2) THEN sending Javascript to it (Webbrowser. This is Embarcadero's code: procedure THTMLEdit. Feb 25, 2016 · I would like to AES encode in Delphi XE4 and decode in JavaScript. Once you connect the REST Debugger successfully, copy and past the components Jul 23, 2009 · I successfully deployed several commercial applications over the years using Delphi to create ISAPI dll's. How to bypass this Jun 11, 2015 · I have a really simple Delphi XE7 program. Jun 24, 2016 · Next, I've modified your javascript routine. I am using IE as browser, Delphi 7 and TWebBrowser. Document as IHTMLDocument2), 'JsFunctionName();'); Example2 (javascript code returns value): If your JS code returns value, add this function to your delphi program: May 29, 2009 · This would allow you to serialize arbitrary JavaScript objects, pass them as a simple string of characters and reconstitute them in Delphi code. Dh Wenn ich jetze die Seite parse, sind die Werte noch nicht in den HTML Text drin. eval(Memo1. I’ll surely use this DWS backend in my OpenSource ORM to create the AJAX part from Delphi code. Jan 3, 2017 · I have a TIDHttp (Indy) component, retrieving a website, from where I get the html text to parse and with the data gathered display into a delphi form. The . Having using this control for some time, I can't for the life of me figure this one out. However, I only implemented a couple of simplifications, such as registering Delphi routines. I know how it can be accomplished from Delphi code and Javascript, by using framework's method 'ExecuteJavascript', but what about the reverse (from Javascript to Delphi/application code) ? May 6, 2012 · Assuming, the function is to be called once and not 5 times every second, maybe like that: Parallel. Jan 18, 2018 · I continued to investigate further Normally when sending a Header to a Server, the Server accepts the Header but in the above instance the Header is sent from a local URL to a local URL, the browser will picked this up and flag the Header as ill- formed. Welcome to our in-depth guide on two powerful programming languages: JavaScript and Delphi. Jan 27, 2008 · I receive a web page which has javascript in it. Jun 24, 2011 · Posts about Javascript written by Rodrigo. It has a plugin to use socket. It is designed for creating network-centric applications. I test this case: I raise an event in the function that assign a variable in delphi. The following article summarizes an experience using SpiderMonkey JavaScript to run scripts in Delphi: Getting started with SpiderMonkey to run JavaScript in Delphi. Mar 18, 2013 · I am trying to execute some javascript in Delphi 7. I would like to store it in a TStringList, Array, something like that, to be able to display it in Firemonkey forms. procedure TForm1. 7. First step to an OpenSource AJAX solution, in pure Delphi. 1. There are open source, commercial component Mar 29, 2010 · In the title you ask how to execute JavaScript. Javascript in Delphi. There might be additional issues with signed/unsigned integers and integer sizes (Delphi's Dword is 32-bits, JS numbers are larger). There are also a number of Delphi JSON implementations out there that might prove useful: Jul 16, 2024 · 2nd (but really the) key point: Because Node. Delphi-PRAXiS Programmierung allgemein Netzwerke Delphi Javascript-Funktion in Delphi? Thema durchsuchen. I am trying to use this to display a very simple page that references the D3 Javascript library (but so far doesn't do anything with it), and the web pages are served from a localhost webserver that is running on my PC using WAMPSERVER. If this is in some file, that file is not saved in UTF-8 encoding. I have been able to fill forms and submit them by using JavaScript like this: Chromium1. Document as IHTMLDocument2<>nil then with TWebBrowser(Self). Navigate( 'javascript:blabla' );, and still receiving the same problem. Naturally, for generating UIDs of any sort this is catastrophically bad. The idea is to run the desired JS code and log the result to the console ; after this, you can intercept the console message and get the result. But I don't have idea about how can call a delphi procedure from javascript. May 27, 2015 · So far so good, I can run the website javascript correctly, the problem is when you need to get an answer in Delphi the javascript function in html, I did not find anything to do that. Jan 6, 2011 · javascript; delphi; Share. Example1 (running function without return value): ExecuteJavaScript((WebBrowser1. Learn more about bidirectional Unicode characters Apr 28, 2016 · That is because a comparison between the TMemo contents and a JavaScript alert() seems to show no difference in the strings apart from a minor display issue with a \b substring: Moreover, the Javascript code is copied from a cloud solution where it works fine. ) – Sep 24, 2020 · I currently use an old version of the delphi-javascript library in my applications which interfaces js32. It's challenging at first, but the more you understand about HTTP (including cookies) and a JS engine, the more you'll see why "things work" in one situation and not in another. These functions are EvaluateJavaScript() and LoadFromStrings() which allow you to execute CEF4Delphi is an open source project to embed Chromium-based browsers in applications made with Delphi or Lazarus/FPC for Windows, Linux and MacOS. EmbeddedWB & jQuery. Furthermore you can send values from JavaScript to Delphi - this could be used to transfer results without the need to poll. // Call Console. Sep 2007 Antwort Seite 1 von 3 : 1: 2: 3 Nächste : fly_singapore. consoleAPICalled event after generally enabling the Runtime domain. – Aug 4, 2013 · For starters, in Delphi, for i := 0 to round(m)-1 do will stop after executing the iteration where i equals round(m)-1. JS) processes requests from the client (Delphi Seattle) and returns the data from the database as JSON text. TEmbeddedWB & Console. Mar 12, 2023 · It should be stressed that, without any other calls, this function will produce the same pseudo-random number sequences each time the program is run. How call the CreateOleObject function using dwscript? 0. g get a list of geofences via Rest API from Web Server using javascript code and put them to the OS using host app. Sep 2007 Antwort Seite 2 von 3 Vorherige : 1: 2: 3 Nächste : mkinzler (Moderator) Arbeite ich mit einer Web-API, die verwendet eine Javascript-Schnittstelle, um Anfragen und die Antwort über eine callback-Javascript-Funktion. Sep 29, 2016 · I have a string var 'HTMLCode' that contains HTML code. It is not enough that your website claims to be in UTF-8 encoding, it also needs to send out UTF-8 encoded content. And I'd like to show you some code example: Run js code and return result as string: Memo2. Text := FEngine. 4. js is a prerequisite for the AWS SDK, you're not just embedding Duktape in your Delphi program, you're looking at embedding Node. js app. The following Dec 27, 2024 · Take your Delphi & C++Builder projects to the next level with Chakra JScript Engine! Feb 2, 2020 · There are a few options out there for Delphi and Javascript interop: there is a V8 wrapper for Delphi on GitHub, but it hasn’t been updated for a few years. Themen-Optionen. But while running in delphi it Skip to main content. 1 How to click JavaScript Button WebBrowser Delphi. Infact I am trying to make in as much generic (non delphi) and closer to web and javascript. This was messy because to return values back to delphi I had to load them into a DOM object via the Javascript code and then inspect the DOM from Delphi to find that object and access it's value property. net Thema durchsuchen. Different web browsers can "show page source" differently in this regard. NOTE: I am familiar with the SuperObject, but my requirements are to use the DBXJSON unit. Navigate(ExtractFilePath(ParamStr(0)) If you have the HTML under control, then there is no need for special code on the delphi side. js with this content: In a Delphi XE8 VCL Form application, with TEmbeddedWB. Jan 15, 2025 · After transmitting the value via AJAX to Delphi, if your Delphi code needs a TDateTime in local time, that is a simple calculation to adjust the TDateTime based on the local machine's timezone offset in minutes, which you can get using platform APIs, such as GetTimeZoneInformation() on Windows, etc. What can be going wrong here, and what is the solution? (Delphi 10 Upgrade 1) Nov 11, 2017 · In paxCompiler the JavaScript functionality is more just the ability to use a version of the JavaScript language to execute code within your apps. X. I create an ActiveX library and then an ActiveX form. The constant to house the JavaScript is over 400 lines and is becoming nearly unmanageable. js, use the *. I am trying to invoke Delphi function/method from JavaScript. It looks like the TJSONString is not correctly escaped when returning the JSON representation via the ToString() method. name points at Jul 17, 2022 · In Delphi , With below code I can send data to Javascript and it work well , but how can send data from Javascript to Delphi ? first , I Use below code in Javascript but did not work : JS_DELPHI. begin. My question is not like other's because in other's the questions are about how to press a image and they are the same title of this post. PascalScript provides wide opportunities. Nov 11, 2017 · JavaScript is a useful scripting language which you can incorporate within your Delphi 10. The JSExtension demo shows how to do all that. It is complimentary to and integrated with Java. Navigation Menu Toggle navigation. May 10, 2016 · I'm trying to display a Google Map in TWebBrowser on my Windows form from Delphi. When enter is pressed in the iwEdit, I want the iwButton clicked. - salvadordf/CEF4Delphi Sep 1, 2024 · I've looked for different ways to check when a page is fully loaded by the TChromium component - for now, unsuccessfully. I have many external calls and call backs using COM. This is an open-source build automation tool, which is available on GitHub, see the Task Runner repository The scripting is necessary to customize the building process. ChakraCore. Evaluate JavaScript programs from within a Delphi app, and support JavaScript scripting of your Delphi app. Load 7 more related questions Show fewer related questions May 22, 2012 · Please review your code and make sure you know what you say before you manifest to compare my post with another one, I have something valuable. My question is, why not, and is there a simpler alternative, like somehow creating an IHtmlScriptElement in code and inserting it in the DOM? Oct 17, 2020 · Allows optional javascript for client-side events and VCL like server event handlers. In twebbroswer i am using WebBrowser1. Mar 31, 2011 · I'd like to attach a debugger to a TWebBrowser control. So basicly I want to develop a delphi server that would receive messages from the one javascript client and broadcast it to the other javascript client. I will try to explain JS magic included in this demo project in the following posts, but I think that I should start with JS kindergarten. _geta() ; even below code did not work : TMyExtension. My question is now, how can I start exchanging messages between these 2 apps - how to send messages from Node. 10. Notice that the help entry for pvarRet says it always returns VT_EMPTY. However, there is the other sc 5 days ago · This example illustrates how to incorporate JavaScript in Delphi, call Delphi objects in a script, exchange data between the main app and a script, and use Node. 2. 4 TEmbeddedWB. About JavaScript. the local file URL and the localhost server are not in the same domain, so the same origin policy kicks in; note that some brwosers (Chrome) for example will not allow Ajax requests from file:// URLs; set the CORS header(s) in the Indy server response headers, for example Jun 13, 2017 · I am using dcef3 to embed a browser in my Delphi app. Delphi and FireMonkey WebBrowser Callback using file:// 1. Presently using Delphi Berlin version. I'm stumped trying to access data from a web page in software. ExecScript I inject t Skip to main content. With JavaScript, I select the element I need the value from, I play it inside the function that converts it to String, using these Androidapi libraries, that would be it. For example : if Self. Improve this question. enable in the DevTools Protocol to activate the Console domain Apr 30, 2019 · I use TWebBrowser in Delphi 10. Provide details and share your research! But avoid . It fits into a DLL just over half a megabyte in size but supports the complete ECMAScript 5. 0 to display a YouTube web page. Mar 6, 2015 · By this function you can run javascript function. Seems like the oncalc is not being called, just a Aug 18, 2010 · Lets say I have an intraweb application (written in Delphi 2010) with an iwEdit (called iweLookup) and an iwButton (iwbSearch). Navigate to access the page. Oct 11, 2020 · I am beginner in Delphi. To run JavaScript code within a Delphi TWebBrowser component and close a thread in the JavaScript code, you can use the following example: delphi uses SHDocVw; procedure TForm1. I would like to enable remote debugging in order to inspect the javascript code running in the embedded browser. document. Aug 14, 2024 · I have 2 apps, 1 large Delphi Windows application and 1 tiny Node. About; Products OverflowAI; Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers May 10, 2015 · I have found this article on web to execute javascript by Delphi code. Asia, Europe, etc from the select statement in javascript. Sep 2007 · letzter Beitrag vom 9. 首先 uses ComObj; 2. I forget which specific browser but I recall at least one showing you the 'final' source, i. jxc drrldy zbtdg qfoa fguoeul ayvuf raen rsq qjacy qmdxh