Feng firhome

wintercn / gist:5342839

Created April 9, 2013 03:55

取两个HTML节点最近的公共父节点

	function getCommonParent(el1,el2){

	var parents1 = [];
	var el = el1;
	while(el) {
	parents1.unshift(el);
	el = el.parentNode;
	}

	var parents2 = [];