vue的指令

 <div id="app">
        <h4 v-text=‘msg1 ‘></h4>
        <div v-html="msg2"> </div>
        <input type="button" value="按钮" v-bind:title="mytitle" v-on:mouseover="show">
    </div>
  
    <script>
        var vm = new Vue({
            el: "#app",
            data: {
                msg: "I am",
                msg1: ‘iaf‘,
                msg2: "<h1>i安居房都</h1>",
                mytitle:‘myTitle‘

            },
            methods:{
                show:function(){
                    alert(‘hello‘);
                }
            }
        });
    </script>