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<!doctype html>
<html>
<head>
<meta charset="utf-8" />
<title>Forms iframe</title>
<meta name="viewport" content="minimum-scale=1,width=device-width" />
</head>
<body>
<form id="form1">
<input type="text" id="user1" value="foo" />
<input type="password" id="pass1" value="foo" />
<input type="email" id="email1" value="@" />
<input type="number" id="number1" value="0" />
<input type="tel" id="tel1" value="0" />
<input type="submit" value="submit" />
</form>
<input type="Text" id="user2" value="foo" />
<input type="PassWord" id="pass2" maxlength="8" value="foo" />
<input type="button" id="button1" value="foo" />
<input type="checkbox" id="checkbox1" />
<input type="search" id="search1" />
<input type="url" id="url1" />
<input type="hidden" id="hidden1" value="foo" />
</body>
<script>
const params = new URL(document.location).searchParams;
function getEventInterface(event) {
if (event instanceof document.defaultView.InputEvent) {
return "InputEvent";
}
if (event instanceof document.defaultView.UIEvent) {
return "UIEvent";
}
if (event instanceof document.defaultView.Event) {
return "Event";
}
return "Unknown";
}
function getData(key, value) {
return new Promise(resolve =>
document.querySelector(key).addEventListener(
"input",
event => {
resolve([key, event.target.value, value, getEventInterface(event)]);
},
{ once: true }
)
);
}
window.addEventListener("message", async event => {
const { data, source, origin } = event;
source.postMessage(await getData(data.key, data.value), origin);
});
</script>
</html>