1.起步VUE
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<script src="./vue.js"></script>
</head>
<body>
<div id="app">{{content}}</div>
<script>
var app=new Vue({
el:'#app',
data:{
content:"hello world"
}
})
</script>
</body>
</html>
