Winsoft JSEngine 2.7 D6-Delphi 10.2 Tokyo

Winsoft JSEngine: A Fast and Reliable JavaScript Engine for Delphi

JavaScript is one of the most popular and widely used programming languages in the world. It is the language of the web, powering dynamic and interactive web pages, as well as many other applications and platforms. However, JavaScript is not natively supported by Delphi, a powerful and versatile programming language and IDE for Windows, Linux, macOS, iOS, and Android development. Delphi developers who want to use JavaScript in their projects need a reliable and efficient way to integrate and execute JavaScript code within their Delphi applications.

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That's where Winsoft JSEngine comes in. Winsoft JSEngine is a commercial component set from Winsoft that allows Delphi developers to use JavaScript in their applications. Winsoft JSEngine is based on Microsoft ChakraCore, the core part of the Chakra JavaScript engine that powers Microsoft Edge and Windows applications written in HTML/CSS/JS. Winsoft JSEngine provides a fast and reliable way to run JavaScript code, access JavaScript objects and call JavaScript functions from Delphi code. Winsoft JSEngine supports Delphi 6 - Delphi 10.2 Tokyo, and can be used in VCL, FMX, and console applications.

Features of Winsoft JSEngine

Winsoft JSEngine offers many features and benefits for Delphi developers who want to use JavaScript in their projects. Some of the main features are:

• Easy integration: Winsoft JSEngine provides a simple and intuitive interface for integrating JavaScript code with Delphi code. You can create a JavaScript runtime environment, load and execute JavaScript files or strings, access JavaScript global variables and objects, call JavaScript functions and methods, pass arguments and return values, handle exceptions, and more.

• High performance: Winsoft JSEngine leverages the power and speed of Microsoft ChakraCore, which is a highly optimized and modern JavaScript engine that supports the latest ECMAScript standards. Winsoft JSEngine also supports JIT compilation and garbage collection, which improve the performance and memory management of JavaScript code.

• Cross-platform compatibility: Winsoft JSEngine supports Delphi 6 - Delphi 10.2 Tokyo, which means you can use it to create applications for Windows, Linux, macOS, iOS, and Android platforms. Winsoft JSEngine also supports both VCL and FMX frameworks, which allow you to create rich and responsive user interfaces for your applications.

• Extensibility: Winsoft JSEngine allows you to extend the functionality of your JavaScript code by exposing Delphi classes, objects, methods, properties, events, and constants to JavaScript. You can also create custom JavaScript objects and functions using Delphi code, and register them with the JavaScript runtime environment.

How to use Winsoft JSEngine

To use Winsoft JSEngine in your Delphi project, you need to follow these steps:

• Add the JSEngine.pas unit to your project.

• Create an instance of the TJSEngine class.

• Use the LoadFromFile, LoadFromStream, or LoadFromString methods to load JavaScript code from a file, stream, or string.

• Use the Run method to execute the loaded JavaScript code.

• Use the Global property to access the JavaScript global object.

• Use the Evaluate, CallFunction, or CallMethod methods to evaluate expressions, call functions, or call methods in JavaScript.

• Use the TJSValue, TJSObject, TJSArray, TJSFunction, TJSException, and other classes to work with different types of values in JavaScript.

• Use the AddHostObject, AddHostFunction, or AddHostClass methods to expose Delphi objects, functions, or classes to JavaScript.

• Use the CreateObject, CreateArray, or CreateFunction methods to create custom JavaScript objects, arrays, or functions using Delphi code.

• Use the TJSCallback class to handle JavaScript callbacks in Delphi code.

Example of Winsoft JSEngine

Here is a simple example of using Winsoft JSEngine to execute a JavaScript function that calculates the factorial of a number, and display the result in a Delphi application.

uses JSEngine; var JSEngine: TJSEngine; JSValue: TJSValue; begin JSEngine := TJSEngine.Create; try // Load JavaScript code from a string JSEngine.LoadFromString( 'function factorial(n) ' + #13#10 + ' if (n == 0) return 1;' + #13#10 + ' return n * factorial(n - 1);' + #13#10 + '' ); // Run the JavaScript code JSEngine.Run; // Call the factorial function with argument 5 JSValue := JSEngine.CallFunction('factorial', [5]); // Display the result as an integer ShowMessage(IntToStr(JSValue.AsInteger)); finally JSEngine.Free; end; end.

The output of this example is:

Conclusion

Winsoft JSEngine is a powerful and easy-to-use component set that enables Delphi developers to use JavaScript in their applications. Winsoft JSEngine is based on Microsoft ChakraCore, which is a fast and reliable JavaScript engine that supports the latest ECMAScript standards. Winsoft JSEngine allows Delphi developers to load and execute JavaScript code, access and manipulate JavaScript objects and values, call and create JavaScript functions and methods, expose and extend Delphi objects and classes to JavaScript, and more. Winsoft JSEngine supports Delphi 6 - Delphi 10.2 Tokyo, and can be used in VCL, FMX, and console applications for Windows, Linux, macOS, iOS, and Android platforms.

If you are interested in using Winsoft JSEngine in your Delphi projects, you can download a free trial version from the Winsoft website. The full version of Winsoft JSEngine costs 60 for a single license, 120 for a site license, or 180 for an enterprise license. You can also find more information, documentation, and examples on the Winsoft website.

Thank you for reading this article. I hope you found it informative and useful. If you have any questions or feedback, please feel free to leave a comment below.

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