timing function js code example

Example 1: timer in javascript

//single event i.e. alarm, time in milliseconds
var timeout = setTimeout(function(){yourFunction()},10000);
//repeated events, gap in milliseconds
var interval = setInterval(function(){yourFunction()},1000);

Example 2: timing code in javascript

var output = "";

// Start timing now
console.time("concatenation");

for (var i = 1; i <= 1e6; i++) {
  output += i;
}

// ... and stop.
console.timeEnd("concatenation");