1 files changed, 15 insertions, 0 deletions
diff --git a/resources/src/jquery/jquery.mw-jump.js b/resources/src/jquery/jquery.mw-jump.js
new file mode 100644
index 000000000000..e2868341ab43
--- /dev/null
+++ b/resources/src/jquery/jquery.mw-jump.js
@@ -0,0 +1,15 @@
+/**
+ * JavaScript to show jump links to motor-impaired users when they are focused.
+ */
+jQuery( function ( $ ) {
+
+	$( '.mw-jump' ).on( 'focus blur', 'a', function ( e ) {
+		// Confusingly jQuery leaves e.type as focusout for delegated blur events
+		if ( e.type === 'blur' || e.type === 'focusout' ) {
+			$( this ).closest( '.mw-jump' ).css({ height: 0 });
+		} else {
+			$( this ).closest( '.mw-jump' ).css({ height: 'auto' });
+		}
+	} );
+
+} );