题解 | #dom 节点查找#
dom 节点查找
https://www.nowcoder.com/practice/74d74be449af4c66907fe2d6961c255c
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<style>
/* 填写样式 */
</style>
</head>
<body>
<!-- 填写标签 -->
<script type="text/javascript">
// 填写JavaScript
function commonParentNode(oNode1, oNode2) {
if(oNode1.contains(oNode2)){
return oNode1;
}else{
//递归会一直持续直到到达DOM树的根节点
return commonParentNode(oNode1.parentNode,oNode2);
}
}
</script>
</body>
</html>
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