<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>props验证</title>
</head>
<body>
<div id="app">
<child v-bind:message="msg"></child>
</div>
<script src="../js/vue.js"></script>
<script>
let Child = {
props:{
message:Number
},
template:'<div>{{message}}</div>'
};
let vm = new Vue({
components:{
'child':Child
},
el:'#app',
data:{
msg: 123
}
});
</script>
</body>
</html>