<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>侦听器</title>
<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
</head>
<body>
<div id="app">
{{ fullName }}
</div>
<script>
let vm = new Vue({
el:'#app',
data:{
firstName:'Quincy',
lastName:'Cui',
fullName:'Quincy Cui'
},
watch:{
firstName:function () {
this.fullName = this.firstName +' '+this.lastName
},
lastName:function () {
this.fullName = this.firstName+' '+this.lastName
}
}
})
</script>
</body>
</html>
侦听也带有缓存，只是有点麻烦~
转载请注明原文地址: https://www.6miu.com/read-2629676.html
