Throttle Snippet - Jquery

jquery-throttle.js

(function($) {
    $.extend({
        throttle : function(fn, timeout, ctx) {
            var timer, args, needInvoke;
            return function() {
                args = arguments;
                needInvoke = true;
                ctx = ctx || this;
                if(!timer) {
                    (function() {
                        if(needInvoke) {
                            fn.apply(ctx, args);
                            needInvoke = false;
                            timer = setTimeout(arguments.callee, timeout);
                        } else {
                            timer = null;
                        }
                    })();
                }
            };
        }
    });
})(jQuery);

$(window).on('resize', $.throttle(function() {
    // All the taxing stuff you do 
}, 250));