randomly display a div class using JQuery

Question

I want to randomly display a div class using JQuery. The code is something like:

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Answer 1

Use the setInterval function.

Working example: http://jsfiddle.net/a0c0ntjc/

setInterval(function(){
        var E=document.getElementsByClassName("item");
        var m=E.length;
        var n=parseInt(Math.random()*m);for(var i=m-1;i>=0;i--){
            var e=E[i];e.style.display='none';
        }
        E[n].style.display='';
},3000);