how to execute a function after amount of time in js code example

Example: javascript after time call function

/*
You can use JavaScript Timing Events to call function after certain interval of time:

This shows the alert box every 3 seconds:
*/

setInterval(function() {alert("Hello")},3000);

/*
1. setInterval(): executes a function, over and over again, at specified time intervals
2. setTimeout() : executes a function, once, after waiting a specified number of milliseconds
*/