非常教程

JavaScript参考手册

错误 | Errors

Error.prototype

Error.prototype 属性代表 Error的构造器。

| Error.prototype 属性的属性特性: |

|:----|

| Writable | no |

| Enumerable | no |

| Configurable | no |

描述

所有 Error 与 非标准Error 的实例都继承自 Error.prototype。同所有构造器函数一样,你可以在构造器的 prototype 上添加属性或者方法,使其在所有该构造器的实例上生效。

属性

标准属性

Error.prototype.constructor实例原型的构造函数。

Error.prototype.message错误信息。

Error.prototype.name错误名。

厂商特定扩展属性

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!

Microsoft

Error.prototype.description错误描述,与 message相似。

Error.prototype.number错误码。

Mozilla

Error.prototype.fileName产生该错误的文件名。

Error.prototype.lineNumber产生该错误的行号。

Error.prototype.columnNumber产生该错误的列号。

Error.prototype.stack错误堆栈。

方法

Error.prototype.toSource()返回一个包含特定 Error对象的源代码字符串,你可以用该值新建一个新的对象,重写自 Object.prototype.toSource()方法。

Error.prototype.toString()返回一个表示该对象的字符串,重写自 Object.prototype.toString()方法。

规范

Specification

Status

Comment

ECMAScript 1st Edition (ECMA-262)

Standard

Initial definition. Implemented in JavaScript 1.1.

ECMAScript 5.1 (ECMA-262)The definition of 'Error' in that specification.

Standard

ECMAScript 2015 (6th Edition, ECMA-262)The definition of 'Error' in that specification.

Standard

ECMAScript Latest Draft (ECMA-262)The definition of 'Error' 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)

错误 | Errors相关

1.Error
2.error.message
3.error.name
4.error.toString
5.Errors
6.Errors: Already has pragma
7.Errors: Array sort argument
8.Errors: Bad octal
9.Errors: Bad radix
10.Errors: Bad regexp flag
11.Errors: Bad return or yield
12.Errors: Called on incompatible type
13.Errors: Cant access lexical declaration before init
14.Errors: Cant define property object not extensible
15.Errors: Cant delete
16.Errors: Cant redefine property
17.Errors: Cyclic object value
18.Errors: Dead object
19.Errors: Delete in strict mode
20.Errors: Deprecated caller or arguments usage
21.Errors: Deprecated expression closures
22.Errors: Deprecated octal
23.Errors: Deprecated source map pragma
24.Errors: Deprecated String generics
25.Errors: Deprecated toLocaleFormat
26.Errors: Equal as assign
27.Errors: For-each-in loops are deprecated
28.Errors: Getter only
29.Errors: Identifier after number
30.Errors: Illegal character
31.Errors: in operator no object
32.Errors: Invalid array length
33.Errors: Invalid assignment left-hand side
34.Errors: Invalid const assignment
35.Errors: Invalid date
36.Errors: Invalid for-in initializer
37.Errors: Invalid for-of initializer
38.Errors: JSON bad parse
39.Errors: Malformed formal parameter
40.Errors: Malformed URI
41.Errors: Missing bracket after list
42.Errors: Missing colon after property id
43.Errors: Missing curly after function body
44.Errors: Missing curly after property list
45.Errors: Missing formal parameter
46.Errors: Missing initializer in const
47.Errors: Missing name after dot operator
48.Errors: Missing parenthesis after argument list
49.Errors: Missing parenthesis after condition
50.Errors: Missing semicolon before statement
51.Errors: More arguments needed
52.Errors: Negative repetition count
53.Errors: No non-null object
54.Errors: No properties
55.Errors: No variable name
56.Errors: Non configurable array element
57.Errors: Not a codepoint
58.Errors: Not a constructor
59.Errors: Not a function
60.Errors: Not defined
61.Errors: Precision range
62.Errors: Property access denied
63.Errors: Read-only
64.Errors: Redeclared parameter
65.Errors: Reserved identifier
66.Errors: Resulting string too large
67.Errors: Stmt after return
68.Errors: Strict Non Simple Params
69.Errors: Too much recursion
70.Errors: Typed array invalid arguments
71.Errors: Undeclared var
72.Errors: Undefined prop
73.Errors: Unexpected token
74.Errors: Unexpected type
75.Errors: Unnamed function statement
76.Errors: Unterminated string literal
77.Errors: Var hides argument
78.EvalError
79.EvalError.prototype
80.RangeError
81.RangeError.prototype
82.ReferenceError
83.ReferenceError.prototype
84.SyntaxError
85.SyntaxError.prototype
86.TypeError
87.TypeError.prototype
88.URIError
89.URIError.prototype
JavaScript

JavaScript 是一种高级编程语言,通过解释执行,是一门动态类型,面向对象(基于原型)的解释型语言。它已经由ECMA(欧洲电脑制造商协会)通过 ECMAScript 实现语言的标准化。它被世界上的绝大多数网站所使用,也被世界主流浏览器( Chrome、IE、FireFox、Safari、Opera )支持。JavaScript 是一门基于原型、函数先行的语言,是一门多范式的语言,它支持面向对象编程,命令式编程,以及函数式编程。它提供语法来操控文本、数组、日期以及正则表达式等,不支持 I/O,比如网络