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 | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
uneval
|
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.