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