源代码
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>vue.js Count</title>
</head>
<body>
<div id="app">
<h2>当前计数：{{counter}}</h2>
<button v-on:click="add">+</button>
<button v-on:click="sub">-</button>
</div>
<script src="./JS/vue.js"></script>
<script>
const app = new Vue({
el: '#app',
data: {
message:["vue","demo"] ,
counter:0
},
methods:{
add:function(){
this.counter++,
console.log("++")
},
sub:function(){
this.counter--,
console.log("--")
}
}
})
</script>
</body>
</html>运行结果
学习资源
https://www.bilibili.com/video/av59594689?p=6
参考文章
