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    Error.prototype

    Summary

    The Error.prototype property represents the prototype for the Error constructor.

    Property attributes of Error.prototype
    Writable no
    Enumerable no
    Configurable no

    Description

    All Error instances and instances of non-generic errors inherit from Error.prototype. As with all constructor functions, you can use the prototype of the constructor to add properties or methods to all instances created with that constructor.

    Properties

    Standard properties

    Error.prototype.constructor
    Specifies the function that created an instance's prototype.
    Error.prototype.message
    Error message.
    Error.prototype.name
    Error name.

    Vendor-specific extensions

    Non-standard
    This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.

    Microsoft

    Error.prototype.description
    Error description. Similar to message.
    Error.prototype.number
    Error number.

    Mozilla

    Error.prototype.fileName
    Path to file that raised this error.
    Error.prototype.lineNumber
    Line number in file that raised this error.
    Error.prototype.columnNumber
    Column number in line that raised this error.
    Error.prototype.stack
    Stack trace.

    Methods

    Error.prototype.toSource()
    Returns a string containing the source of the specified Error object; you can use this value to create a new object. Overrides the Object.prototype.toSource() method.
    Error.prototype.toString()
    Returns a string representing the specified object. Overrides the Object.prototype.toString() method.

    Specifications

    Specification Status Comment
    ECMAScript 1st Edition. Standard Initial definition. Implemented in JavaScript 1.1.
    ECMAScript 5.1 (ECMA-262)
    The definition of 'Error' in that specification.
    Standard  
    ECMAScript 6 (ECMA-262)
    The definition of 'Error' in that specification.
    Release Candidate  

    Browser compatibility

    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)

    See also

    Document Tags and Contributors

    Last updated by: Mingun,