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<!DOCTYPE html>
<meta charset="utf-8" />
<title>setAppBadge iframe</title>
<script>
async function callSetAppBadge() {
const postMessageData = { message: "callSetAppBadge" };
try {
await navigator.setAppBadge();
postMessageData.status = "success";
} catch (e) {
if (e instanceof DOMException) {
postMessageData.status = "error";
postMessageData.exceptionType = e.name;
} else {
postMessageData.status = "unknown_error";
postMessageData.error = e.toString();
}
} finally {
window.parent.postMessage(postMessageData, "*");
}
}
window.addEventListener("message", async (event) => {
switch (event.data) {
case "callSetAppBadge":
await callSetAppBadge();
break;
default:
throw new Error(`Unexpected message: ${event.data}`);
}
});
</script>