【Vue】VS Code+Vue入门 Helloworld

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

<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>
    <style>
        .redclass {
            background-color: red;
        }

        .blueclass {
            color: blue
        }
    </style>
    <script src="https://cdn.jsdelivr.net/npm/vue@2.5.13/dist/vue.js"></script>
</head>

<body>
    <div id="app">
        <p>{{ message }}</p>
        <p> {{ reversedMessage }} </p>
    </div>
    <div id="raw">
        <p>Using mustaches: {{ rawHtml }}</p>
        <p>Using v-html directive:
            <span v-html="rawHtml"></span>
        </p>
    </div>
    <div id="cs">
        <p :class="[classA,classB]">HelloWorld</p>
        <p :class="{'redclass':ISA,'blueclass':ISB}">HelloWorld</p>
    </div>
    <script>
        new Vue({
            el: '#app',
            data: {
                message: 'Hello World!'
            },
            computed: {
                reversedMessage: function () {
                    return this.message.split('').reverse().join('');
                }
            },
            methods: {
                methodMessage: function () {
                    return this.message.split('').reverse().join('');
                }
            }
        });

        new Vue({
            el: '#raw',
            data: {
                rawHtml: '<span style="color:red"> This should be red.</span>'
            }
        });
        new Vue({
            el: '#cs',
            data: {
                classA: 'redclass',
                classB: 'blueclass',
                ISA: false,
                ISB: true
            }
        });
    </script>

</body>

</html>