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|Last Update:||August 20, 2018|
FocusWithin is a component that allows detecting if one of its children has focus. It’s using the CSS
:focus-within selector under the hood to detect the focus and should be considered as a missing JS API for
FocusWithin will fire
onFocus once one of its children will receive focus. Similarly
onBlur is going to be fired once focus is left all its children.