JSFiddle - React, Tailwind, and code Playground

HTML

<a disabled="disabled" class="call-link" href="#">Unknown caller</a>

CSS

#nav-container {
    width:780px;
    margin:0 auto;
    padding:10px;
    background:#efefef; 
}

#nav ul {
    list-style:none;
}

#nav li {
    display:inline;
    margin:0 25px 0 0;   
}

#panel-1 {
    width:780px;
    height:400px;
    margin:0 auto;
    padding:10px;
    background:#1BB5E0;
}

#panel-2 {
    width:780px;
    height:400px;
    margin:0 auto;
    padding:10px;
    background:#EDBE72;
    display:none;
}

.highlighted {
     color:#871F72;   
}

JavaScript

$(document).ready(function() {


    $('.call-link').click(function (ev, evData) {
        alert("hello world");
    });
    
    
    
});