????：<html> <head> <meta charset="utf-8"> <title&
<html>
<head>
<meta charset="utf-8">
<title>偵聽器</title>
<script type="text/javascript" src="vue.js"></script>
</head>
<body>
<div id="box">
請輸入數字1 <input type="text" v-model="num1">
請輸入數字2 <input type="text" v-model="num2">
<h2>兩數相加結果為：{{sum}}</h2>
</div>
<script type="text/javascript">
new Vue({
el:"#box",
data:{
num1:"",
num2:""
},
computed:{
sum:function(){
return parseInt(this.num1)+parseInt(this.num2);
}
}
})
</script>
</body>
</html>
?? ???：查無此人?? ??：2019-05-05 09:19:47
???? ??：看到你的作業(yè)挺多，學習編程需要有耐心，堅持。繼續(xù)加油