// no redirect
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-type" content="text/html, charset=utf-8">
<meta content="IE=edge" http-equiv="X-UA-Compatible">
<meta name="description" content="header and footer in checkout pages">
<meta name="keywords" content="checkout, footer, header">
<meta content="width=device-width,initial-scale=1,maximum-scale=1,user-scalable=0" name="viewport">
<title>页面form提交不刷新</title>
</head>
<body>
<div>
<\iframe name="J_iframe" width="100" height="100"> </\iframe>
<form action="https://test.com" method="post" target="J_iframe">
<input type="text" name="name" value="lily" />
<button>submit</button>
</form>
</div>
</body>
</html>
解决被iframe时submit请求是iframe提交不是form提交问题
setTimeout(() => {
this.initForm.submit();
}, 10);
无刷新更换浏览器地址：
window.history.pushState(null, null, window.self.location); // 解决不能被iframe问题
doc: https://ctrlq.org/code/19233-submit-forms-with-javascript