~~~ function eventBind(obj, eventType, callBack) { if (obj.addEventListener) { obj.addEventListener(eventType, callBack, false); }else if (window.attachEvent) { obj.attachEvent('on' + eventType, callBack); }else { obj['on' + eventType] = callBack; } }; eventBind(document, 'click', bodyClick); ~~~ ~~~ /** * 兼容浏览器绑定元素事件 * * obj：元素 * * evt:时间名称 * * fn:触发函数 * */ function addEventSamp(obj, evt, fn) { if (obj.addEventListener) { obj.addEventListener(evt, fn, false); } else if (obj.attachEvent) { obj.attachEvent('on' + evt, fn); } } ~~~