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(this.className)">c</li>
</ul>

JavaScript

$(".foo").each( function() {
   this._onclick = this.onclick;
   this.onclick = null;
});


$(document).on('click','.foo', function(){
    if ($(this).text()!=='a') {
        this._onclick.apply(this,arguments);
    }
});