May 2011
Intermediate to advanced
1096 pages
40h 54m
English
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Name
Function.toString() — convert a function to a string
Synopsis
function.toString()
Returns
A string that represents the function.
Throws
TypeErrorIf this method is invoked on an object that is not a Function.
Description
The toString() method of
the Function object converts a function to a string in an
implementation-dependent way. In most implementations, such as the
implementations in Firefox and IE, this method returns a string of
valid JavaScript code—code that includes the function keyword, argument list, the
complete body of the function, and so on. In these implementations,
the output of this toString()
method is valid input for the global eval() function. This behavior is not
required by the specification, however, and should not be relied
upon.
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