14/07.Inside Computed Properties.html

<!DOCTYPE html>
<html>

<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <title></title>
    <link rel="stylesheet" href="">
    <script src="vue.js"></script>
    <style>
    pre {
        margin: 0;
        padding: 0.3em;
        border: 1px dashed #2f6fab;
        background-color: #f9f9f9;
        color: black;
        line-height: 1em;
        font-family: verdana, helvetica, sans-serif;
    }

    body {
        margin-top: 100px;
    }
    </style>
</head>

<body>
    <div id="example">
        <h1>打开控制台，vm.example, vm.example1 </h1>
        <input type="text" v-model="msg">
        msg:{{msg}}
        <hr>
        每次访问时，时间戳,缓存: {{example}}
        <hr>
        每次访问时，时间戳，不缓存: {{example1}}
    </div>
    <script>
    var vm = new Vue({
        el: '#example',
        data: {
            msg: 'hi'
        },
        computed: {
            'example': function() {
                return Date.now() +"-"+this.msg
            },
            'example1': {
                cache: false, // 关闭缓存
                get: function() {
                    return Date.now() + "-" +this.msg
                }

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

</html>