JSFiddle - React, Tailwind, and code Playground

HTML

<div id="foo">I am foo</div>
<div id="bar">I am bar</div>

<a class="reverselink" href="foo">Click to show/hide.</a>
<a class="reverselink" href="bar">Click to show/hide.</a>

JavaScript

function ReverseDisplay(d) {
    if (document.getElementById(d).style.display == "none") {
        document.getElementById(d).style.display = "block";
    } else {
        document.getElementById(d).style.display = "none";
    }
}

$(function () {
    $(".reverselink").click(function(e){
        ReverseDisplay($(this).attr("href"));
        return false;
    });
});