摘要: 1 var s1=document.getElementById('s1'); 2 //span对象 3 s1.onclick=function(event){ 4 alert('s1'); 5 event.cancelBubble=true//取消事件冒泡 6 }; 7 var s2=docume 阅读全文
posted @ 2021-10-04 17:05 RikkaXl 阅读(28) 评论(0) 推荐(0)