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PropertyMixer unsupported Array methods break Internet Explorer 11
See original GitHub issueDescription of the problem
Thank you @c-morten for implementing additive animations! We hope to use it in the future.
Unfortunately it has broken animation for Internet Explorer 11, because Array.prototype.fill and Array.prototype.copyWithin were used in the PropertyMixer. If this is a deliberate decision to drop support for Internet Explorer 11 without polyfills (in src, for some files in examples you need polyfills anyway), it would be nice to mention this in the migration guides, so updating doesn’t unknowingly break Internet Explorer 11 in production.
Three.js version
- Dev
- r116
- …
Browser
- All of them
- Chrome
- Firefox
- Internet Explorer
OS
- All of them
- Windows
- macOS
- Linux
- Android
- iOS
Hardware Requirements (graphics card, VR Device, …)
Issue Analytics
- State:
- Created 3 years ago
- Comments:17 (8 by maintainers)
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Here’s the PR with the fix: https://github.com/mrdoob/three.js/pull/19297
It would be easy enough to replace the calls to fill and copyWithin with a forloop and just use set, which appears to be supported across the board. I can submit a PR with that change.