get execution time in javascript code example
Example 1: time taken for a function javascript
console.time("timer");
console.timeEnd("timer");
Example 2: Javascript measure function run time
var startTime = performance.now();
alert('Run some function here');
var endTime = performance.now();
var totalTime=endTime-startTime;
alert('Total time:'+totalTime +'ms');
Example 3: get execution time in javascript
var t0 = performance.now()
doSomething()
var t1 = performance.now()
console.log("Call to doSomething took " + (t1 - t0) + " milliseconds.")