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Error: Failed to execute 'animate' on 'Element': 'function (a){return a}' is not a valid value for easing #162

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alancutter opened this issue Apr 8, 2016 · 1 comment

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@alancutter
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Description

Getting console error when using neon-animations with a build of Chrome that throws TypeErrors on invalid timing functions.
Error: Failed to execute 'animate' on 'Element': 'function (a){return a}' is not a valid value for easing
This is due to a bug in the web-animations-js polyfill that has been fixed in v2.2.0.

Expected outcome

Repo tests should pass.

Actual outcome

Most fail with the above error.

Live Demo

Needs a custom build of Chrome with https://codereview.chromium.org/1851003002 patched in.

Steps to reproduce

  1. Build Chrome with https://codereview.chromium.org/1851003002.
  2. Run neon-animation tests.

Browsers Affected

  • Chrome
  • [ x ] Future Chrome
  • Firefox
  • [ x ] Firefox Nightly
  • Safari 9
  • Safari 8
  • Safari 7
  • Edge
  • IE 11
  • IE 10
@fearphage
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FYI, this error also affects Opera v41 (developer build).

stapelberg added a commit to stapelberg/scan2drive that referenced this issue May 16, 2017
This picks up the fix for
PolymerElements/neon-animation#162, which in
turn fixes issue #4

A “bower update” pulled in a bunch of changes, but nothing seems to
break AFAICT.
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