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30 August 2005 10:30

SitePoint Blogs » Blog Archive » Closures and executing JavaScript on page load

by nhoizey (via)
createAdder(x) is a function that returns a function. In JavaScript, functions are first-class objects: they can be passed to other functions as arguments and returned from functions as well. In this case, the function returned is itself a function that takes an argument and adds something to it.

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