IE11: Does not support multiple parameters for the add() & remove() methods http://caniuse.com/#feat=classlist
IE11: Does not support multiple parameters for the add() & remove() methods
http://caniuse.com/#feat=classlist

Fixes also fast-triple-click glitch in Firefox.
kzima/vuestrap-base-components,kzima/vuestrap-base-components,kzima/vuestrap-base-components