Rotate an image on click (nice "load" animation)

rotate-image.js

// Rotate image
// http://stackoverflow.com/questions/15191058/css-rotation-cross-browser-with-jquery-animate

// Call: $('#loadmore span').animateRotate( 360, 500, 'swing', null );

$.fn.animateRotate = function(angle, duration, easing, complete) {
	var args = $.speed(duration, easing, complete);
	var step = args.step;
	return this.each(function(i, e) {
		args.step = function(now) {
			$.style(e, 'transform', 'rotate(' + now + 'deg)');
			if (step) return step.apply(this, arguments);
		};

		$({deg: 0}).animate({deg: angle}, args);
	});
};