User:Technical 13/Scripts/Gadget-pageCount.js

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/* show result count if all results are shown on one page */
if ( $( 'div#mw-content-text' ).html().search( /previous [\d,]* \|  next [\d,]*/ ) !== -1 ) {
   var allPagesReplace = 'showing ';
    if ( $( 'ul#mw-whatlinkshere-list li' ).length === 1 ) {
        allPagesReplace += 'the only ';
    } else if ( $( 'ul#mw-whatlinkshere-list li' ).length > 1 ) {
        allPagesReplace += 'all ' + $( 'ul#mw-whatlinkshere-list li' ).length;
    }
    allPagesReplace += ' result';
    if ( $('ul#mw-whatlinkshere-list li' ).length > 1 ) {
        allPagesReplace += 's';
    }
   $( 'div#mw-content-text' ).html( $( 'div#mw-content-text' ).html().replace( /previous [\d,]* \|  next [\d,]*/g, allPagesReplace ) );
}