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JScript source file
Blank

Filename extension .js +
Developed by Microsoft +
Type Scripting
Opens with JScript.NET
Windows Script Host
File formats category - v  e   edit
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JScript is the Microsoft dialect of the ECMAScript scripting language specification, with JavaScript being another dialect.

JScript is implemented as a Windows Script engine. This means that it can be "plugged in" to any application that supports Windows Script, such as Internet Explorer, Active Server Pages, and Windows Script Host. It also means that any application supporting Windows Script can use multiple languages — JScript, VBScript, Perl, and others. JScript was first supported in Internet Explorer 3.0 browser released in August 1996. The typical file extension of JScript source code files is .js.

The most recent version of JScript is JScript .NET, which is based on the yet-unfinished edition 4 of the ECMAScript standard, and can be compiled for the Microsoft .NET platform. JScript.NET adds several new features to ECMAScript ed. 3, such as optional static type annotations.

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