Remove EventListener fbjs utility #11617
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EventListener normalizes event subscription for <= IE8. This is no longer necessary. element.addEventListener is sufficient.
gaearon
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Nov 22, 2017
| } | ||
| return EventListener.listen( | ||
| element, | ||
| element.addEventListener( |
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This is only equivalent if element always has addEventListener. The original code in fbjs checked for it.
Are we 100% certain it always exists?
gaearon
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Nov 22, 2017
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gaearon
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gaearon
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Turns out I tried this before: #10592 (review). We couldn't do it because we rely on fbjs/lib/EventListener hook being overridden for Facebook.com (we have some custom logic there). I don't think we can easily drop this without coming up with some other solution for us.
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I have an alternative: #11797 |
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Superseded by #11797. |
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EventListener normalizes event subscription for <= IE8. This is no longer necessary. element.addEventListener is sufficient.
Follow-up from #11515