<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<title>Examples</title>
<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
</head>
<body>
<div id="app">
<!-- post-title使用驼峰命名postTitle会报错 blog-post改为blogPost会报错 -->
<blog-post post-title="hello!"></blog-post>
</div>
<script>
Vue.component('blog-post', { //命名时候可以使用横线
props: ['postTitle'], //如果这里使用连接线post-title将报错
template: '<h3>{{ postTitle }}</h3>'
})
new Vue({
el:"#app",
})
</script>
</body>
</html>