setTimeout interval js code example

Example 1: timeout javascript

setTimeout(function(){
 	//code goes here
}, 2000); //Time before execution

Example 2: 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.");