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    Function.prototype.toSource()

    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.

    Summary

    The toSource() method returns a string representing the source code of the object.

    Syntax

    function.toSource();
    Function.toSource();
    

    Parameters

    None.

    Description

    The toSource method returns the following values:

    • For the built-in Function object, toSource() returns the following string indicating that the source code is not available:
      function Function() {
          [native code]
      }
      
    • For custom functions, toSource() returns the JavaScript source that defines the object as a string.

    This method is usually called internally by JavaScript and not explicitly in code. You can call toSource while debugging to examine the contents of an object.

    Specifications

    Not part of any standard. Implemented in JavaScript 1.3.

    Browser compatibility

    Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
    Basic support Not supported (Yes) ? ? ?
    Feature Android Chrome for Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
    Basic support ? ? (Yes) ? ? ?

    See also

    Document Tags and Contributors

    Last updated by: teoli,