vue computed计算拼接vue computed

vue computed

在这里插入图片描述

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<script src="vue.js" type="text/javascript" charset="utf-8"></script>
</head>
<body>
	<div id="demo">{{ fullName }}</div>
	<script type="text/javascript">
	var vm = new Vue({
	  el: '#demo',
	  data: {
	    firstName: 'Foo',
	    lastName: 'Bar'
	  },
	  computed: {
	    fullName: function () {
	      return this.firstName + ' ' + this.lastName
	    }
	  }
	})
	</script>
</body>
</html>