use classList add/remove instead of edit className with string functions

blazoncek / WLED

Control WS2812B and many more types of digital RGB LEDs with an ESP8266 or ESP32 over WiFi!

MIT License

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use classList add/remove instead of edit className with string functions #9

Closed pbolduc closed 3 years ago

pbolduc commented 3 years ago

This change uses the Element.classList functions to add or remove classes from elements instead of string concatenation or string replacement semantics.