making a timer in javascript with setinterval and clearinterval 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: settimeout function

setTimeout(function(){ 
$('#overlay'). modal('hide') 
}, 5000);
//#overlay will be the ID of modal which you want to hide or show modal