my anonymous function in javascript doesn't work

Question

On about line 18, make the anonymous function with the code 'window.didExecute = true' execute.

  var anonymousFunction = function(){};

  (function(){window.didExecute=true;})

doesn't work, why?

You need to add () after your function. ((function(){window.didExecute=true;})()). Or remove the ( ) around it. — putvande
– putvande, Commented Nov 11, 2013 at 13:08

Anthony Grist · Accepted Answer · 2013-11-11 13:08:59Z

1

Because the function is never executed. Use an immediately invoked function expression:

(function(){window.didExecute=true;})();

The () at the end is what actually makes it a function call, resulting in the body of the function executing.

If you weren't using anonymous functions, your code would be the same as doing:

function foo() {
    window.didExecute = true;
}

Then never calling foo().

answered Nov 11, 2013 at 13:08

Anthony Grist

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