Function handle

js/segmented-controllers.js:19–31

(event, target)

	var CLASS_SLIDER_ITEM = $.className('slider-item');

	var handle = function(event, target) {
		if (target.classList && (target.classList.contains(CLASS_CONTROL_ITEM) || target.classList.contains(CLASS_TAB_ITEM))) {
			if (target.parentNode && target.parentNode.classList && target.parentNode.classList.contains(CLASS_SEGMENTED_CONTROL_VERTICAL)) {
				//vertical 如果preventDefault会导致无法滚动
			} else {
				event.preventDefault(); //stop hash change				
			}
			//			if (target.hash) {
			return target;
			//			}
		}
		return false;
	};

	$.registerTarget({
		name: name,