<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>智能社——http://www.zhinengshe.com</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black">
<style>
</style>
<script src="vue.js"></script>
<script>
</script>
</head>
<body>
<div id="box">
<input type="button" value="添加" @click="add">
<ul>
<li v-for="val in arr">
{{val}}
</li>
</ul>
</div>
<script>
var vm=new Vue({
data:{
arr:['apple','pear','orange']
},
methods:{
add:function(){//只能添加一次，有重复数据，
this.arr.push('tomato');
}
}
}).$mount('#box');
</script>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>智能社——http://www.zhinengshe.com</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black">
<style>
</style>
<script src="vue.js"></script>
<script>
</script>
</head>
<body>
<div id="box">
<input type="button" value="添加" @click="add">
<ul>
<li v-for="val in arr" track-by="$index"> <!-- 可以添加重复数据-->
{{val}}
</li>
</ul>
</div>
<script>
var vm=new Vue({
data:{
arr:['apple','pear','orange']
},
methods:{
add:function(){
this.arr.push('tomato');
}
}
}).$mount('#box');
</script>
</body>
</html>
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