<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>事件修飾符之使用$event與$prevent修飾符操作表單</title>
<script src="vue.js"></script>
</head>
<body>
<div id="hdcms">
<!--<form action="" @submit="post($event)">-->
<!--prevent 寫入到代碼里面等同於寫入js中。阻止提交事件發生-->
<form action="" @submit.prevent="post('lantian')">
<h1>{{times}}</h1>
<button>提交</button>
</form>
</div>
<script>
var app = new Vue({
el: '#hdcms',
data: {
times: new Date()
},
methods: {
// post($event) {
// //preventDefault() 阻止元素發生默認的行為
// event.preventDefault();
// alert('lantian');
// },
post(num) {
alert(num);
}
}
});
</script>
</body>
</html>
