Javascript measure function run time
var startTime = performance.now(); alert('Run some function here'); var endTime = performance.now(); var totalTime=endTime-startTime;// time took to run in milliseconds alert('Total time:'+totalTime +'ms');
Javascript measure function run time
var startTime = performance.now(); alert('Run some function here'); var endTime = performance.now(); var totalTime=endTime-startTime;// time took to run in milliseconds alert('Total time:'+totalTime +'ms');
javascript count time
// The getTime() method returns the number of milliseconds since midnight of January 1, 1970. var start = new Date().getTime(); for (i = 0; i < 50000; ++i) { // do something } var end = new Date().getTime(); var time = end - start; alert('Execution time: ' + time);
javascript count time
var start = new Date().getTime(); for (i = 0; i < 50000; ++i) { // do something } var end = new Date().getTime(); var time = end - start; alert('Execution time: ' + time);
javascript console log execution time
var t0 = performance.now() doSomething() // <---- The function you're measuring time for var t1 = performance.now() console.log("Call to doSomething took " + (t1 - t0) + " milliseconds.")
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