diff options
Diffstat (limited to 'assets/js/unminified/skip-link-focus-fix.js')
| -rw-r--r-- | assets/js/unminified/skip-link-focus-fix.js | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/assets/js/unminified/skip-link-focus-fix.js b/assets/js/unminified/skip-link-focus-fix.js new file mode 100644 index 0000000..97496af --- /dev/null +++ b/assets/js/unminified/skip-link-focus-fix.js @@ -0,0 +1,37 @@ +/**
+ * File skip-link-focus-fix.js
+ *
+ * Helps with accessibility for keyboard only users.
+ * This is the source file for what is minified in the astra_skip_link_focus_fix() PHP function.
+ *
+ * Learn more: https://github.com/Automattic/_s/pull/136
+ *
+ * @package Astra
+ */
+
+( function() {
+ var is_webkit = navigator.userAgent.toLowerCase().indexOf( 'webkit' ) > -1,
+ is_opera = navigator.userAgent.toLowerCase().indexOf( 'opera' ) > -1,
+ is_ie = navigator.userAgent.toLowerCase().indexOf( 'msie' ) > -1;
+
+ if ( ( is_webkit || is_opera || is_ie ) && document.getElementById && window.addEventListener ) {
+ window.addEventListener( 'hashchange', function() {
+ var id = location.hash.substring( 1 ),
+ element;
+
+ if ( ! ( /^[A-z0-9_-]+$/.test( id ) ) ) {
+ return;
+ }
+
+ element = document.getElementById( id );
+
+ if ( element ) {
+ if ( ! ( /^(?:a|select|input|button|textarea)$/i.test( element.tagName ) ) ) {
+ element.tabIndex = -1;
+ }
+
+ element.focus();
+ }
+ }, false );
+ }
+})();
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