计算属性computed&v-model

最新推荐文章于 2024-11-27 11:42:09 发布

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最新推荐文章于 2024-11-27 11:42:09 发布

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<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>计算属性computed</title>
		<script src="js/vue.js" type="text/javascript" charset="utf-8"></script>
	</head>
	<body>
		<div id="app">
			firstname:<input type="text" name="firstname" id="" value="" v-model="firstname" />
			<br>
			<br>
			lastname:<input type="text" name="lastname" id="" value="" v-model="lastname" />
			<br>
			<br>
			fullname:<input type="text" name="fullname" id="" value="" v-model="full_name" />
		</div>
	</body>
	<script type="text/javascript">
		let vm = new Vue({
			el: "#app",
			data: {
				firstname: '',
				lastname: "",
				fullname: ""
			},
			computed: {
				full_name: function() {
					return this.firstname + ' ' + this.lastname
				}
			}
		})
	</script>
</html>