shena的专栏

 /**  *js获取上下文  * */ function getContextPath() {  var contextPath = document.location.pathname;  var index = contextPath.substr(1).indexOf("/");  contextPath = contextPath.substr(0, index + 1

document.onclick = function(e) { // 兼容 event 和 target e = e || window.event; var target = e.target || e.srcElement; // 确认是 checkbox if(target.tagName.toLowerCase() === "input"