176 | | * Focus the target of skip link after pressing Enter. |
177 | | * |
178 | | * @since 5.3.1 |
179 | | * |
180 | | * @param {Event} event The keydown event. |
181 | | */ |
182 | | function focusTargetAfterEnter( event ) { |
183 | | var id, userAgent; |
184 | | |
185 | | if ( event.which !== 13 ) { |
186 | | return; |
187 | | } |
188 | | |
189 | | id = event.target.getAttribute( 'href' ); |
190 | | userAgent = navigator.userAgent.toLowerCase(); |
191 | | |
192 | | if ( userAgent.indexOf( 'applewebkit' ) > -1 && id && id.charAt( 0 ) === '#' ) { |
193 | | setTimeout( function() { |
194 | | var target = document.getElementById( id.replace( '#', '' ) ); |
195 | | |
196 | | if ( target ) { |
197 | | target.setAttribute( 'tabIndex', '0' ); |
198 | | target.focus(); |
199 | | } |
200 | | }, 100 ); |
201 | | } |
202 | | } |
203 | | |
204 | | /** |