题解 | #列表内容排序再渲染#
列表内容排序再渲染
https://www.nowcoder.com/practice/2dffcb354a484995894655a5547b0b49
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1">
</head>
<body>
<ul id="myList">
<li id="item1">项目 1</li>
<li id="item3">项目 3</li>
<li id="item2">项目 2</li>
<li id="item4">项目 4</li>
</ul>
<script>
function sortAndReturnTextContent() {
const items = document.getElementById('myList').children;
// 在此补全代码
const itemsArray = Array.from(items).sort((a,b)=>a.id>b.id?1:-1)
const myList = document.getElementById('myList')
myList.innerHTML = itemsArray.map(item=>item.outerHTML).join('')
}
sortAndReturnTextContent()
</script>
</body>
</html>
