WordPress/wp-content/themes/twentytwentyone/assets/js/skip-link-focus-fix.js
desrosj 3ea8930f37 Bundled Themes: Import Twenty Twenty-One, the new default theme for WordPress 5.6.
Welcome to the bundled themes family!

Twenty Twenty-One is a blank canvas for your ideas, making the block editor your best brush.

Theme development to this point has taken place on GitHub. See: https://github.com/WordPress/twentytwentyone/.

Props poena, melchoyce, luminuu, elmastudio, bethsoderberg, williampatton, aristath, jffng, kjellr, jeffikus, audrasjb, fabiankaegy, mukesh27, dingo_d, kellylawrence, acosmin, whyisjake, metodiew, ryelle, nielslange, littlebigthing, mahesh901122, zebulan, kishanjasani, lukecavanagh, scruffian, abhijitrakas, utz119, sudoshreyansh, kau-boy, justinahinon, joostdevalk, bduclos, hareesh-pillai, mager19, rolfsiebers, webmigrates, sresok, guidooffermans, francina, marybaum, hareshlive, navanathbhosale, afercia, richtabor, joyously, sarahricker, nrqsnchz, glauberglauber, sabernhardt, kraftbj, ItsJonQ, joen, CTMartin0, decrecementofeliz, bhautikvirani.
See #51526.
Built from https://develop.svn.wordpress.org/trunk@49216


git-svn-id: http://core.svn.wordpress.org/trunk@48978 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-10-20 01:14:10 +00:00

34 lines
797 B
JavaScript

/**
* File skip-link-focus-fix.js.
*
* Helps with accessibility for keyboard only users.
*
* This is the source file for what is minified in the twenty_twenty_one_skip_link_focus_fix() PHP function.
*
* Learn more: https://git.io/vWdr2
*/
( function() {
var isIe = /(trident|msie)/i.test( navigator.userAgent );
if ( isIe && 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 );
}
}() );