Wait for window resize event to end. Source: http://stackoverflow.com/questions/5489946/jquery-how-to-wait-for-the-end-or-resize-event-and-only-then-perform-an-ac

resizeend.js

var rtime = new Date(1, 1, 2000, 12,00,00);
var timeout = false;
var delta = 200;
$(window).resize(function() {
    rtime = new Date();
    if (timeout === false) {
        timeout = true;
        setTimeout(resizeend, delta);
    }
});

function resizeend() {
    if (new Date() - rtime < delta) {
        setTimeout(resizeend, delta);
    } else {
        timeout = false;
        alert('Done resizing');
    }               
}