javascript epoch time code example

Example 1: 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);

Example 2: javascript calculate time

console.time("timer");   //start time with name = timer
console.timeEnd("timer"); //end timer and log time difference

Example 3: get current time epoch javascript

var a = Date.now();

// Returns miliseconds since epoch

Example 4: get epoch timestamp js

Math.floor(Date.now() / 1000)

Example 5: javascript today date in epoch

const start = Date.now(); 
/*gives the number of milliseconds elapsed since January 1, 1970 00:00:00 UTC.*/