為什么我的顯示{{lastName}} {{count}} 請各位大佬幫幫忙 謝謝
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Vue中的計(jì)算屬性和偵聽器</title>
<script src="./vue.js" type="text/javascript" charset="utf-8"></script>
</head>
<body>
<div id="root">
姓<input v-model="firstName" />
名<input v-model="lastName" />
<div>{{lastName}}</div>
<div>{{count}}</div>
</div>
<script type="text/javascript">
new Vue({
el:"#root",
data:{
firstName: '',
lastName: '',
count: 0
},
computed:{
? ?fullName: function(){
return: this.firstName +''+ this.lastName
? ?}
},
watch:{? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ??
fullName:function(){
this.count++
}
}
})
</script>
</body>
</html>
2020-05-05
不應(yīng)該是fullName嗎
2020-05-04
computed:{
? ?fullName: function(){
return: this.firstName +''+ this.lastName
? ?}
},
return 后面多了冒號(:)
2020-05-04
computed:{
? ?fullName: function(){
return: this.firstName +''+ this.lastName
? ?}
}
這段代碼有問題,在return 后面多了冒號(:)
2020-05-04
computed:{
? ?fullName: function(){
return: this.firstName +''+ this.lastName
? ?}
},
你這段代碼有問題 在return 這個后面,多了冒號(:)