abstrak：注意:1.雙向綁定值要用v-model.number指明為數(shù)值型,不然用+號就是連接作用<!DOCTYPE html><html lang="en"><head><meta charset="UTF-8"><title>Document</title><script src=&qu
注意:1.雙向綁定值要用v-model.number指明為數(shù)值型,不然用+號就是連接作用
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<script src="vue.js"></script>
</head>
<body>
<div id="box">
請輸入數(shù)字x:<input type="text" v-model.number="x"><br>
請輸入數(shù)字y:<input type="text" v-model.number="y"><br>
當(dāng)前x的值:<p>{{x}}</p>
當(dāng)前y的值:<p>{{y}}</p>
合計是:<p :style="res">{{total}}</p>
</div>
<script>
new Vue({
//設(shè)置掛載點
el: '#box',
//頁面中的數(shù)據(jù)Model
data: {
x: '',
y: '',
res: 'color:red'
},
computed: {
total:function () {
return (this.x+this.y);
}
}
})
</script>
</body>
</html>