The Microsoft version of JavaScript, JScript is a standard scripting language based on the ECMA-262 standard. JScript is specifically targeted for the Internet and built into Internet Explorer browsers. JScript is implemented as a fast, portable, lightweight interpreter that processes source code embedded directly in the HTML. JScript code does not produce stand-alone applets, but it is used to add interactivity to HTML documents. JScript uses syntax and language features similar to the Java, C, and C++ programming languages.
See also:
JScript Language Reference in "Chapter 5: Developer’s Reference"
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