概述
name
属性表示error类型的名称.初始值为"Error".
描述
默认情况下,Error.prototype.toString()
方法,会作为最后异常信息的字符串表示.
示例
例子: 抛出一个自定义错误
var e = new Error("Malformed input"); // e.name默认是"Error" e.name = "ParseError"; // 修改之后,e.toString()会成为下面这样的字符串 throw e; // "ParseError: Malformed input"
规范
Specification | Status | Comment |
---|---|---|
ECMAScript 1st Edition. | Standard | Initial definition. |
ECMAScript 5.1 (ECMA-262) Error.prototype.name |
Standard | |
ECMAScript 2015 (6th Edition, ECMA-262) Error.prototype.name |
Standard |
浏览器兼容性
We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains.
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Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari |
---|---|---|---|---|---|
Basic support | (Yes) | (Yes) | (Yes) | (Yes) | (Yes) |
Feature | Android | Chrome for Android | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
---|---|---|---|---|---|---|
Basic support | (Yes) | (Yes) | (Yes) | (Yes) | (Yes) | (Yes) |