uneval()

非标准
该特性是非标准的,请尽量不要在生产环境中使用它!

uneval() 函数创建一个代表对象的源代码的字符串。

语法

uneval(object)

参数

object
JavaScript 表达式或者语句

返回值

表示给定对象的源代码的字符串
注意:无法通过此方法获取对象的 JSON 形式。

描述

uneval() 是一个顶级函数并且不与任何对象关联

实例

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"

规范

不属于任何规范的一部分。

浏览器兼容

Update compatibility data on GitHub
Desktop Mobile Server
Chrome Edge Firefox Internet Explorer Opera Safari Android webview Chrome for Android Firefox for Android Opera for Android Safari on iOS Samsung Internet Node.js
uneval
Deprecated Non-standard
Chrome No support No Edge No support No Firefox Full support 1 IE No support No Opera No support No Safari No support No WebView Android No support No Chrome Android No support No Firefox Android Full support 4 Opera Android No support No Safari iOS No support No Samsung Internet Android No support No nodejs No support No

Legend

Full support  
Full support
No support  
No support
Non-standard. Expect poor cross-browser support.
Non-standard. Expect poor cross-browser support.
Deprecated. Not for use in new websites.
Deprecated. Not for use in new websites.

相关链接