replace替换为真值 

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>

</body>
<script>
    var data = {
        name: '张三',
        age: 20
    }
    var str = '<div>{{name}}今年{{age}}</div>'
    var pattern = /{{\s*([a-zA-Z]+)\s*}}/

    var a = null
    while ((a = pattern.exec(str))) {
        str = str.repeat(a[0], data[a[1]])
    }
    console.log(str);
</script>

</html>

 

posted @ 2022-05-01 16:34  今天穿秋裤了吗  阅读(12)  评论(0)    收藏  举报