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<!doctype html>
<meta charset=utf-8>
<script>
window.addEventListener("message", e => {
if (e.data === "check_parent_frame1") {
let frame1_result, anythingHere_result;
try {
let x = window.parent.frame1;
frame1_result = "No exception";
} catch (err) {
frame1_result = err.name;
}
try {
let x = window.parent.anythingHere;
anythingHere_result = "No exception";
} catch (err) {
anythingHere_result = err.name;
}
window.parent.postMessage({
type: "parent_frame1_result",
frame1_result,
anythingHere_result
}, "*");
} else if (e.data === "change_name_and_check") {
window.name = "new_name";
let new_name_result;
try {
let x = window.parent.new_name;
new_name_result = "No exception";
} catch (err) {
new_name_result = err.name;
}
window.parent.postMessage({
type: "parent_new_name_result",
new_name_result
}, "*");
}
});
// Signal to the parent that the cross-origin frame is loaded and ready.
window.parent.postMessage("child_loaded", "*");
</script>