Pre-attach events

Using .on with event delegation see http://stackoverflow.com/a/20977690

by Bruno G.

HTML

<div class="test"><button class="ok">Check event</button></div>
<button onclick="goTest();">Add button</button><br>
<div id="test" class="test"></div>

JavaScript

goTest = function() {
    $('#test').html('<button class="ok">New Button!</button>');
}

$('.test').on('click', '.ok', function(){Yes();});

function Yes() {
    alert('YES!');
}