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

The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.

Update compatibility data on GitHub

| Desktop | Mobile | Server
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | Android webview | Chrome for Android | Edge Mobile | 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 | Edge Mobile 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

- `eval()`
- `JSON.stringify`
- `JSON.parse`
- `Object.toSource`