← All changes | _inc/accessible-focus.js +19 -0 16.2-beta → 16.3-beta View file →

		@@ -1,0 +1,19 @@
	1	+var keyboardNavigation = false,
	2	+ keyboardNavigationKeycodes = [ 9, 32, 37, 38, 39, 40 ]; // keyCodes for tab, space, left, up, right, down respectively
	3	+
	4	+document.addEventListener( 'keydown', function ( event ) {
	5	+ if ( keyboardNavigation ) {
	6	+ return;
	7	+ }
	8	+ if ( keyboardNavigationKeycodes.indexOf( event.keyCode ) !== -1 ) {
	9	+ keyboardNavigation = true;
	10	+ document.documentElement.classList.add( 'accessible-focus' );
	11	+ }
	12	+} );
	13	+document.addEventListener( 'mouseup', function () {
	14	+ if ( ! keyboardNavigation ) {
	15	+ return;
	16	+ }
	17	+ keyboardNavigation = false;
	18	+ document.documentElement.classList.remove( 'accessible-focus' );
	19	+} );