settimeout and setinterval w3schools code example
Example 1: delay in javascript
setTimeout(function() {
//your code here
}, 1000);
Example 2: 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);