19-基础-系统指令-v-bind-基础用法

<!DOCTYPE html>
<html>

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

<body>
    <div id='app'>
        <!-- v-bind作用: 绑定标签的任何属性,比如src/id/style/class等 
      场景: 当标签的属性值是变化的/变量/修改值 此时该属性使用v-bind:-->
        <!-- <p id="left">内容</p> -->
        <!-- <p v-bind:id="ID">内容</p> -->
        <!-- <img v-bind:src="SRC" alt="测试"> -->
        <!-- <p class="a b c"></p> -->
        <img v-bind:src="SRC" alt="测试">
        <!-- 简写 -->
        <p :id="ID">内容</p>
        <p :id="IDS">左边</p>
    </div>
    <script src='./vue.js'></script>
    <script>
        var vm = new Vue({
            el: '#app',
            data: {
                IDS: 'left',
                ID: "right",
                SRC: "./logo.png"
            },
            methods: {

            }
        });
    </script>
</body>

</html>

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转载自www.cnblogs.com/divtab/p/10940116.html
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