Aliaksandr Kalenik f28611d84a Tests: Rewrite Window-postMessage.html to set up onload earlier ...

...for iframes with srcdoc, this ensures the test won't get stuck if the
load event fires between creating the iframe and adding the onload
handler in the `asyncTest()` callback.

Previously, this test would pass in Firefox and Safari, but get stuck in
Chrome. Now all browsers pass it.

2025-11-20 06:29:13 -05:00

9.4 KiB

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