• jQuery .resize()

Run code on resize window:

$(window).resize(function () {
    $('.log').prepend('<div>' + $(window).width() + '</div>');  // code on resize window
});

Run code on resize window with 100 milliseconds interval:

$(window).resize(function () {
    var resizeTimer = null;
    if (resizeTimer) clearTimeout(resizeTimer);
    resizeTimer = setTimeout(function () {
        $('.log').prepend('<div>' + $(window).width() + '</div>'); // code on resize window
    }, 100); // adding 100 milliseconds interval for avoiding jumps
});