Vue.js 内联样式绑定style

html

<div class="Menu" v-bind:style="{height:clientHeight}">
 </div>

js

    data(){
        return{
            clientHeight:'', 
        }
    },
    mounted(){
        var h= document.documentElement.clientHeight+'px'
        this.clientHeight=h
    },
动态改变元素高度