Increment a number inside a div?

Question

i have this

13

and I want to increment this number by +1 when I click a button

How can I do that

Answer 1

var jLikes = $('div.likes');
var sLikes = jLikes.text();
var nLikes = parseInt(sLikes);
if(isNaN(nLikes)) {
   return;
}
jLikes.text(nLikes+1);