【Vue】双向数据绑定

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2022-02-11

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>

</head>
<body>

<div id="app">
    <!--通过输入框输入的数据,实时展现在页面-->
    <input type="text" v-model="username" class="id">
    {{username}}
</div>

<script>
    new Vue({
        el: "#app",
        data: {
            username: ""
        }
    })
</script>

</body>
</html>

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