<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>v-if,v-show,v-for 指令</title>
<script src="./vue.js "></script>
</head>
<body>
<div id ="root">
<div v-show="show">hello worla</div>
<button @lick="handleClick"> toggle</button>
</div>
<script>
new Vue ({
el :"#root",
data:{
show:true //false
},
methods :{
handleClick :function () {
this .show =!this .show;
}
}
})
//v-if指令 控制toggle的存在与否
//v-show指令 控制toggle的显示与否
//v-for指令 控制数据
</script>
</body>
</html>
<button @click="handleClick"> toggle</button>,click拼错，前台报错
System.out.print