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26 lines
852 B
JavaScript
26 lines
852 B
JavaScript
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/**
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* Makes "skip to content" link work correctly in IE9, Chrome, and Opera
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* for better accessibility.
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*
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* @link http://www.nczonline.net/blog/2013/01/15/fixing-skip-to-content-links/
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*/
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( function() {
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var is_webkit = navigator.userAgent.toLowerCase().indexOf( 'webkit' ) > -1,
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is_opera = navigator.userAgent.toLowerCase().indexOf( 'opera' ) > -1,
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is_ie = navigator.userAgent.toLowerCase().indexOf( 'msie' ) > -1;
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if ( ( is_webkit || is_opera || is_ie ) && document.getElementById && window.addEventListener ) {
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window.addEventListener( 'hashchange', function() {
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var element = document.getElementById( location.hash.substring( 1 ) );
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if ( element ) {
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if ( ! /^(?:a|select|input|button|textarea)$/i.test( element.tagName ) ) {
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element.tabIndex = -1;
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}
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element.focus();
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}
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}, false );
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}
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} )();
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