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Its most recent version is JScript 9.0, included in Internet Explorer 9. JScript 10.0 [5] is a separate dialect, also known as JScript .NET, which adds several new features from the abandoned fourth edition of the ECMAScript standard. It must be compiled for .NET Framework version 2 or version 4, but static type annotations are optional.
A distinctive feature of the engine is that it JIT compiles scripts on a separate CPU core, parallel to the web browser. [1] [2] Though Microsoft has in the past pointed out that other elements, such as rendering and marshalling, are just as important for a browser's overall performance, [3] their improvements to the engine were in response to evolving competing browsers, compared to which IE8 ...
JScript .NET is a .NET programming language developed by Microsoft.. The primary differences between JScript and JScript .NET can be summarized as follows: . Firstly, JScript is a scripting language, and as such programs (or more suggestively, scripts) can be executed without the need to compile the code first.
The Windows Library for JavaScript (abbreviated as WinJS) is an open-source JavaScript library developed by Microsoft. It has been designed with the primary goal of easing development of Windows Store apps for Windows 8 and Windows 10 , as well as Windows Phone apps for Windows Phone 8.1 , Windows 10 Mobile and Xbox One [ 1 ] applications using ...
Node.js is a cross-platform, open-source JavaScript runtime environment that can run on Windows, Linux, Unix, macOS, and more. Node.js runs on the V8 JavaScript engine , and executes JavaScript code outside a web browser .
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Previously, JavaScript only supported function scoping using the keyword var, but ECMAScript 2015 added the keywords let and const, allowing JavaScript to support both block scoping and function scoping. JavaScript supports automatic semicolon insertion, meaning that semicolons that normally terminate a statement in C may be omitted in ...
Bun is a JavaScript runtime, package manager, test runner and bundler built from scratch using the Zig programming language. [4] [5] It was designed by Jarred Sumner as a drop-in replacement for Node.js. Bun uses WebKit's JavaScriptCore as the JavaScript engine, [6] unlike Node.js and Deno, which both use V8.