今天要比昨天吃苦的能力更强

computed-计算属性的使用和3个特点 方案3

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<script src="../vue.js"></script>
</head>
<body>
<div id="app">
<input type="text" v-model="firstname"/>+
<input type="text" v-model="lastname"/>=
<input type="text" v-model="fullname"/>
</div>
</body>
<script>
new Vue({
el: "#app",
data: {
mes: "hello Vue",
firstname: "",
lastname: ""

},
computed:{
"fullname":function () {
return this.firstname+"---"+this.lastname
}
}
});
</script>
</html>


 

 

  

 

posted @ 2018-08-15 23:14  Java野生程序猿  阅读(770)  评论(0编辑  收藏  举报