Event handler in a loop
HTML
<button>1st button</button>
<button>2nd button</button>
<button>3rd button</button>
<span></span>
JavaScript
for ( var i = 0; i< 3; i++ ) {
$('button:eq(' + i + ')').click(function() {
$('span').append(i + 'button was clicked');
});
}