JavaScript 1.6 Array.map() and Array.filter() not working with built in functions as arguments

Posted by bucabay on Stack Overflow See other posts from Stack Overflow or by bucabay
Published on 2010-04-15T18:01:56Z Indexed on 2010/04/15 18:03 UTC
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JavaScript

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array

This works fine:

["655971", "2343", "343"].map(function(x) { return parseInt(x) }) // [655971, 2343, 343]

But this doesnt:

["655971", "2343", "343"].map(parseInt) // [655971, NaN, NaN]

The same happens for Array.filter()

What am I missing here?

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