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uneval

Non-standard
This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.

The uneval() function creates a string representation of the source code of an Object.

Syntax

uneval(object)

Parameters

object: A JavaScript expression or statement.

Return value

A string representing the source code of the given Object.

Note: You won't get a valid JSON representation of your Object.

Description

uneval() is a top-level function and is not associated with any object.

Examples

var a = 1;
uneval(a); // returns a String containing 1

var b = '1';
uneval(b); // returns a String containing "1"

uneval(function foo() {}); // returns "(function foo(){})"


var a = uneval(function foo() { return 'hi'; });
var foo = eval(a);
foo(); // returns "hi"

Specifications

Not part of any specifications.

Browser compatibilityUpdate compatibility data on GitHub

	Desktop
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari
Basic support	No	No	1	No	No	No

	Mobile
	Android webview	Chrome for Android	Edge Mobile	Firefox for Android	Opera for Android	iOS Safari	Samsung Internet
Basic support	No	No	No	4	No	No	No

	Server
	Node.js
Basic support	No