how to check time taken to run code js code example
Example 1: time taken for a function javascript
console.time("timer"); //start time with name = timer
console.timeEnd("timer"); //end timer and log time difference
Example 2: 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);