I need to run asynchronous JavaScript functions in a loop. I need this to test the performance of my web application.
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SpeedTest.asyncLoop = function(iterations, func, callback) { var index = 1; var done = false; var loop = { next: function() { if (done) { return; } if (index <= iterations) { index++; func(loop); } else { done = true; callback(); } }, iteration: function() { return index - 1; }, stop: function() { done = true; callback(); } }; loop.next(); return loop; }; //Call it here SpeedTest.asyncLoop(10, function(loop) { MyAsyncFunction(function() { Common.log(loop.iteration()); loop.next(); }); }, function(){ Common.log( 'Test done'); } ); //Here is the function that will be called 10 times in a loop function MyAsyncFunction(callback){ //Call here if (typeof callback === "function") { callback(); } } |