jquery.detecttextresize.js

$.fn.detectTextResize = function() {
	return this.each(function() {
		var el = $(this);
		var initialSize = el.css('font-size');
		setInterval(function(){
			var currentSize = el.css('font-size');
			if(currentSize != initialSize){
				initialSize = currentSize;
				el.trigger('textResized');
			}
		}, 500);
	});
};