题解 | #dom 节点查找#
dom 节点查找
https://www.nowcoder.com/practice/74d74be449af4c66907fe2d6961c255c
function commonParentNode(oNode1, oNode2) { let parent1 = oNode1.parentNode if (parent1.contains(oNode2)) { return parent1 } commonParentNode(parent1, oNode2) }