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13-计算属性的基本使用.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div id="app">
    <h2>{{message}}</h2>
    <h2>{{firstName + ' ' + lastName}}</h2>
    <h2>{{firstName}} {{lastName}}</h2>

    <h2>{{getFullName()}}</h2>
    <h2>{{getFullName2()}}</h2>

    <h2>{{fullName}}</h2>
</div>
<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
<script>
    const app = new Vue({
        el: '#app',
        data: {
            message: 'simplelu',
            firstName: '恺',
            lastName: '臻'
        },
        // 计算属性
        computed: {
            fullName: function () {
                return this.firstName + ' ' + this.lastName

            }
        },
        methods: {
            getFullName: function () {
                return this.firstName + ' ' + this.lastName
            },
            getFullName2() {
                return this.firstName + ' ' + this.lastName
            }
        }
    })
</script>
</body>
</html>