The class "xs" in Bootstrap is used for –DWQA Questions › Category: Web Design HTML › The class "xs" in Bootstrap is used for – 0 Vote Up Vote Down Editor Staff asked 1 month ago The class “xs” in Bootstrap is used for –tabletsphonesdesktopAll of the aboveRelated 1 Answers 0 Vote Up Vote Down Editor Staff answered 1 month ago (b) phones Explanation: Basically, there are four classes in Bootstrap grid system that is xs, sm, md, and lg. The xs class is used for small devices such as phones.Related