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javascript Programming Glossary: createcallbackjavascript: execute a bunch of asynchronous method with one callback http://stackoverflow.com/questions/2911822/javascript-execute-a-bunch-of-asynchronous-method-with-one-callback factory for this then you can do the following function createCallback limit fn var finishedCalls 0 return function if finishedCalls.. 0 return function if finishedCalls limit fn var callback createCallback 4 function alert woot async1 callback async2 callback async3..
Pass extra parameter to jQuery getJSON() success callback function http://stackoverflow.com/questions/6129145/pass-extra-parameter-to-jquery-getjson-success-callback-function separate function so you can see what's going on function createCallback item return function data do_something_with_data data item This.. function it will have the value as it was at the time the createCallback function was invoked. var title i l some_array.length for i.. i 0 i l i 1 title some_array i .getJSON 'some.url ' title createCallback i Note how this is not a reference to the createCallback function..
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