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来源：4-4 编程练习

慕妹4337267

2021-01-23 22:48:28

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8"/>
    <title>Object.entries()</title>
</head>
<body>
<div id="list">
    <!--html结构参考如下：-->
    <dl>
        <dt>前端</dt>
        <dd>Vue</dd>
        <dd>Vue</dd>
        <dd>Vue</dd>
    </dl>
</div>
<script>
    var classfies = {
"前端": ["Vue", "Angular", "React"],
        "后端": ["Php", "Java", "Python"]
    }

let div = document.getElementById('list')
let htm = ''
    let dd = ''

    for(let [k,v] of Object.entries(classfies)){
for(let i=0;i<v.length;i++){
dd += `<dd>${v[i]}</dd>`

        }

htm += `<dl><dt>${k}</dt>${dd}</dl>`
        console.log(htm)
dd = ''
    }
div.innerHTML = htm
</script>
</body>
</html>