<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>非常使用的计算属性computed实例：</title>
<script src="vue.js"></script>
</head>
<body>
<div id="hdcms">
<input type="text" v-model="n1">+
<input type="text" v-model="n2">=
<input type="text" v-model="sum">
</div>
<script>
var app = new Vue({
el: "#hdcms",
computed:{
sum:function () {
return this.n1*1+this.n2*1;
}
},
data:{
n1:0,
n2:1
}
});
</script>
</body>
</html>