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LibWeb: Implement the window.opener attribute

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This returns a reference to the window that opened the current window.
This commit is contained in:
Tim Ledbetter 2024-03-12 23:39:59 +00:00 • committed by Sam Atkins
parent 5713c2ffdd
commit fc1f037cd1
5 changed files with 63 additions and 0 deletions
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5
Tests/LibWeb/Text/expected/HTML/Window-opener.txt Normal file
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window.opener initial value: null
window.opener after setting to "test": test
iframe contentWindow.opener initial value is the current window object: true
iframe contentWindow.opener after setting to null: null
iframe contentWindow.opener after setting to "test": test

20
Tests/LibWeb/Text/input/HTML/Window-opener.html Normal file
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<!DOCTYPE html>
<script src="../include.js"></script>
<iframe name="testFrame"></iframe>
<script>
asyncTest(done => {
println(`window.opener initial value: ${window.opener}`);
window.opener = "test";
println(`window.opener after setting to "test": ${window.opener}`);
const frame = document.querySelector("iframe");
frame.onload = () => {
println(`iframe contentWindow.opener initial value is the current window object: ${frame.contentWindow.opener === window}`);
frame.contentWindow.opener = null;
println(`iframe contentWindow.opener after setting to null: ${frame.contentWindow.opener}`);
frame.contentWindow.opener = "test";
println(`iframe contentWindow.opener after setting to "test": ${frame.contentWindow.opener}`);
done();
}
window.open("about:srcdoc", "testFrame");
});
</script>