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Investigation: Passive event handlers #85

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bennycode opened this issue Aug 11, 2016 · 1 comment
Closed

Investigation: Passive event handlers #85

bennycode opened this issue Aug 11, 2016 · 1 comment

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@bennycode
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bennycode commented Aug 11, 2016 •
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Check if passive event handlers can bring better performance.

Read more:

Issue:

Handling of 'wheel' input event was delayed for 730 ms due to main thread being busy. Consider marking event handler as 'passive' to make the page more responive.

Example:

  • document.addEventListener('touchstart', handler, {passive: true});

Support:

  • This feature shipped in Chrome 51, Firefox 49 and landed in WebKit. source
@bennycode
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Started an issue on "jquery-mousewheel" about that: jquery/jquery-mousewheel#168

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