Answers for "measure execution time javascript"

4

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');
Posted by: Guest on July-25-2019
4

javascript time execution

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.");
Posted by: Guest on March-29-2020

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