jQuery addClass example

Change class name on click in jQuery

by sanat gupta

HTML

<div id="memo" style="position: fixed;margin: 140px;">
        _____________
    </div>

<button class="rotate" onClick="fun();">Rotate</button>

JavaScript

$(function(){
	$(".rotate").on('click',function(){
  var i = 0
  i+= 45;
  	document.getElementById("memo").style.transform += "rotate(" +i + "deg)";
    
  });
});

function fun(){
alert();
}