Jonas Jenwald 3bcf9187ec Add a polyfill for classList.{add, remove} with more than one parameter
Unsurprisingly IE11 doesn't support this, so a polyfill is needed since otherwise the sidebar can no longer be opened.

Also, simplifies the existing `classList.toggle` polyfill.
2019-02-08 13:35:01 +01:00
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2012-10-29 14:08:52 -04:00