JQuery Check for Class in ID ..if exists change img src content

Question

I have the code:

<img id="myid" class="myclass" src="image1.png" />

What I need to do is:

if myid contains a class="myclass" then change src="image1.png" to src="image2.png"

How can I do that with JQuery?

Answer 1

var e = $("#myid");
var ans = e.hasClass("myclass");
if(ans){
  e.attr("src","image2.png");
}
$("#debug").text(ans+", src"+ e.attr("src"));

working example http://jsbin.com/evipuz/edit#javascript,html,live

Answer 2

if ($('#myid').hasClass('myclass')){
    $('#myid').attr('src','image2.png');
}