JSFiddle - React, Tailwind, and code Playground

HTML

<ol>
        <li>
            <a class="build">Link1</a>
        </li>

        <li>
            <a class="build">Link2</a>
        </li>

        <li>
            <a class="build">Link2</a>
        </li>
    </ol>

JavaScript

$(function(){
    var trueURL = window.location.href;
    var i = 1;
    $('a.build').each(function(){
        $(this).attr('href', trueURL + '#link' + i);
        i = i+1;
    });
});