User:Enterprisey/section-redir-note.js

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This user script seems to have a documentation page at User:Enterprisey/section-redir-note.

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if( window.location.hash ) {
    $( function () {
        mw.loader.using( "mediawiki.util", function () {
            var header_selector = "";
            for( var level = 2,
                     header_selector = "",
                     rest_of_selector = "span#" + $.escapeSelector( window.location.hash.substr( 1 ) ); level <= 6; level++ ) {
                header_selector += ",h" + level + rest_of_selector;
            }
            $( ".mw-redirectedfrom" ).clone()
                .attr( "id", "contentSub2" )
                .insertAfter(

                    // so while we have the h2 selected, we decrease its bottom margin so this doesn't look ugly.
                    $( header_selector.substr( 1 ) )
                        .parent()
                        .css( "margin-bottom", "0" ) )
                .find( "*[accesskey]" )
                .attr( "accesskey", "" )
        } );
    } );
}