JS基础回顾_Dom
方法
reverse
将子元素位置颠倒
<!-- log -->
<ul id="reverse">
<li>1</li>
<li>2</li>
<li>3</li>
<li>4</li>
<li>5</li>
</ul>
// no-log
HTMLElement.prototype.reverse = function () {
let length = this.children.length
for (let i = length - 2; i >= 0; i--) {
this.appendChild(this.children[i])
}
}
let ul = document.getElementById('reverse')
ul.reverse()