JSFiddle - React, Tailwind, and code Playground

HTML

<a href="http://www.google.com/">Visit this link (it's just Google).</a><br>
<a href="http://Don'tGoHereEver!.mil">Do NOT visit this link.</a>

CSS

a:visited {
    color: purple;
}
a {
    color: blue;
}

JavaScript

function wasVisited (link_el) { 
    var linkColor   = $(link_el).css ('color');
    return [linkColor, linkColor == 'purple'  ?  ' was'  :  ' was not'];
}


$("a").each ( function (J) {
    var visitedArry = wasVisited (this);
    $("body").append ('<p>Link ' + J + visitedArry[1] + ' visited.  Its color is: ' + visitedArry[0] + '</p>');
} );