JSFiddle - React, Tailwind, and code Playground

HTML

<ul>
    <li class="foo" onclick="alert('Not show')">a</li>   
    <li class="foo" onclick="alert('Not show')">b</li>
    <li class="foo" onclick="alert('Not show')">c</li>
</ul>

JavaScript

$(document).on('click','.foo', function(){
    if ($(this).text()=='a')
        return false;
});