error.name
name属性表示error类型的名称.初始值为"Error".
描述
默认情况下,Error对象的name属性值为"Error".name属性和message属性一起,通过调用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 is 'Error'
e.name = 'ParseError';
throw e;
// e.toString() would return 'ParseError: Malformed input'规范
Specification | Status | Comment |
|---|---|---|
ECMAScript 1st Edition (ECMA-262) | Standard | Initial definition. |
ECMAScript 5.1 (ECMA-262)The definition of 'Error.prototype.name' in that specification. | Standard | |
ECMAScript 2015 (6th Edition, ECMA-262)The definition of 'Error.prototype.name' in that specification. | Standard | |
ECMAScript Latest Draft (ECMA-262)The definition of 'Error.prototype.name' in that specification. | Living Standard | |
浏览器兼容性
Feature | Chrome | Edge | Firefox | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|---|
Basic Support | (Yes) | (Yes) | (Yes) | 6 | (Yes) | (Yes) |
Feature | Android | Chrome for Android | Edge mobile | Firefox for Android | IE mobile | Opera Android | iOS Safari |
|---|---|---|---|---|---|---|---|
Basic Support | (Yes) | (Yes) | (Yes) | (Yes) | 8.1 | (Yes) | (Yes) |
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