<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
<title> </title>
<script type="text/javascript">
window.onload = function(){
var oBtn = document.getElementById('jsSub');
oBtn.onclick = function(){
var form = new FormData(document.getElementById('fs'));
console.log(form.get('account')); // null 没取到表单里的值
form.append('amount','10');
console.log(form.get('amount')); // 10 append值成功
}
}
</script>
</head>
<body>
<p>FormData测试</p><br/>
<from id="fs" >
<input type="text" name="account" />
<input type="submit" value="提交" id="jsSub" />
</from>
</body>