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Merge pull request #1212 from Ivshti/master

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browser-support: warn about the performance hit of the polyfill
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Alex Crichton 2019-01-28 14:30:07 -06:00 committed by GitHub
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guide/src/reference/browser-support.md
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@ -44,6 +44,10 @@ also like to be aware of it!
}; };
``` ```
**Warning:** doing this implies the polyfill will always be used,
even if native APIs are available. This has a very significant
performance impact (the polyfill was measured to be 100x slower in Chromium)!
2. If you're not using a bundler you can also include support manually by 2. If you're not using a bundler you can also include support manually by
adding a `<script>` tag which defines the `TextEncoder` and `TextDecoder` adding a `<script>` tag which defines the `TextEncoder` and `TextDecoder`
globals. [This StackOverflow question][soq] has some example usage and MDN globals. [This StackOverflow question][soq] has some example usage and MDN