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  1. #1
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    Apr 2004
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    functions: someName = function () {

    I was trying to understand this type of functions and how do they work, but can't find a good tutorial or page that refers to functions like this:

    someName = function () {


    Does anybody knows a good resource that explains it?

    I was also wondering how to call a function that is set like this.

    Thanks a lot!

  2. #2
    Programming Since 1978 silver trophybronze trophy felgall's Avatar
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    Sep 2005
    Sydney, NSW, Australia
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    That is called an anonymous function since the function itself does not have a name and so can't be called from anywhere else. Basically where someName is an event handler the assignment attaches the anonymous function so that it will be run whenever that event occurs. The equivalent without using an anonymous function requires two statements - one to define the function and a second to attach it to the event handler eg.

    function someFunction() {

    someName = someFunction;

    If someName is a variable rather than an event handler then it is effectively the name of the function and you'd call the function using someName();
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