Perform a callback when an image has loaded, optionally on every load

$.fn.imageLoad

/**
 * Perform a callback when an image has loaded, optionally on every load
 * @param {function} callback
 * @param {?boolean} repeat
 * @returns {jQuerySelector}
 */
$.fn.imageLoad = function(callback, repeat) {
	return this.each(function() {
		var $el = $(this), fn = function() {
			callback.call(this, $el);
		};
		if (this.complete) {
			fn();
		} else {
			$el[repeat ? "on" : "one"]("load", fn);
		}
	});
};