Promise - JavaScript | MDN
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2026-07-16 09:45:28
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Text Highlight2026-07-16 13:06:28
Original Highlight Excerpt
"Currently, incumbent realm tracking is fully implemented in Firefox, and has partial implementations in Chrome and Safari."
Whisper Note
Does this affect how Promises behave in cross-origin iframes? Kinda worried.
Text Highlight2026-07-16 12:57:28
Original Highlight Excerpt
"Currently, incumbent realm tracking is fully implemented in Firefox, and has partial implementations in Chrome and Safari."
Whisper Note
Good for Firefox, but Chrome and Safari need to catch up fast.
Text Highlight2026-07-16 10:03:28
Original Highlight Excerpt
"A realm can be roughly thought of as the global object."
Whisper Note
This is why cross-realm promises fail sometimes — makes sense now.
Text Highlight2026-07-16 09:54:28
Original Highlight Excerpt
"A realm can be roughly thought of as the global object."
Whisper Note
Huh, I always thought it was just the global object, but it's way more than that.
Text Highlight2026-07-16 09:45:28
Original Highlight Excerpt
"A realm can be roughly thought of as the global object."
Whisper Note
Wait, so realms are like separate universes for globals? That explains some weird bugs I've seen.
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