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 = Array.from(document.getElementById('myList').children);
// 在此补全代码
for (let j = 0;j < items.length; j++){
for (let i = 0;i < items.length- j - 1; i++){
if( items[i].id > items[i+1].id ){
let temp = items[i];
items[i] = items[i+1];
items[i+1] = temp;
}
}
}
for (const item of items) {
document.getElementById('myList').appendChild(item);
}
}
sortAndReturnTextContent()
</script>
</body>
</html>
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