name 属性表示error类型的名称.初始值为"Error".
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.
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"
| 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 |
| 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) |