javascript捕获事件event

 var e = e ? e : window.event;
 window.event ? window.event.cancelBubble = true : e.stopPropagation();
<button type="button" onclick="showInfo()">button</button>
<script type="text/javascript">
    function showInfo(){
         var e = e ? e : window.event;
         window.event ? window.event.cancelBubble = true : e.stopPropagation();
    }

</script>

QQ交流群:15129679

【推广】 免费学中医，健康全家人
原文地址：https://www.cnblogs.com/yeminglong/p/7243863.html