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Groups > comp.lang.javascript > #18000

Function definition expression has a length property?

Newsgroups comp.lang.javascript
Date 2013-01-07 02:02 -0800
Message-ID <91b7a4ff-8eb7-4ef2-ac97-4e046024d5f0@googlegroups.com> (permalink)
Subject Function definition expression has a length property?
From Thomas Li <cooooooder@gmail.com>

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Why function definition expression has a "length" property and its value is always 1?
like:
var square = function(x){return x*x;};
square.length

log value from IE9 javascript console:
    >> var square = function(x){return x*x;}; 
    >> square(12) 
    144 
    >> square.length 
    1

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Function definition expression has a length property? Thomas Li <cooooooder@gmail.com> - 2013-01-07 02:02 -0800
  Re: Function definition expression has a length property? Stefan Weiss <krewecherl@gmail.com> - 2013-01-07 11:26 +0100
    Re: Function definition expression has a length property? Thomas Li <cooooooder@gmail.com> - 2013-01-07 21:49 -0800

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