题解 | #dom 节点查找#
dom 节点查找
https://www.nowcoder.com/practice/74d74be449af4c66907fe2d6961c255c
认识.contains()
用法 node1.contains(node2)，检测 node1中是否包含node2
function commonParentNode(oNode1, oNode2) {
while (oNode1) {
if (oNode1.contains(oNode2)) {
return oNode1
}
oNode1 = oNode1.parentNode;
}
return false;
}
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