点击某个元素查看有没有指定的父元素

?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21

mounted() {   document.addEventListener("click", (e) => this.fintParent(e)); }, methods: {   fintParent(e) {     const clickNode = e.srcElement;     let parent = clickNode.parentNode;     while (parent) {       if (         parent.classList &&         (parent.classList.contains("dropdownWrap") ||           parent.classList.contains("p_more-service"))       ) {         break;       }       parent = parent.parentNode;     }     if (!parent) {       this.visible = false;     }   }<br>}

　　用于输入框和下拉框是分离的，点击整个搜索框之外的地方关闭下拉框，点击输入框和下拉框不能关闭下拉框