window.addEventListener如何判断某个节点之外?

Question

点击的元素不是该div以及该子孙节点,就能促发事件?这个怎么判断?

Answer 1

letbox=document.querySelector('#box')window.addEventListener('click',(event)=>{//兼容constev=window.event||event;constpath=event.path||(event.composedPath&&event.composedPath());if(path.includes(box)){console.log(1)}else{console.log(2)}})

Answer 2

eventTarget.addEventListener("click",({target})=>{if(div!==target&&!div.contains(target)){...}});