JSFiddle - React, Tailwind, and code Playground
by Dave Mednick
HTML
<div class="parent">
<div class="child">
<div class="c1">click me</div>
<div class="c2"></div>
</div>
<div class="child">
<div class="c1">click me</div>
<div class="c2"></div>
</div>
<div class="child">
<div class="c1">click me</div>
<div class="c2"></div>
</div>
</div>
JavaScript
$('.child .c1').click(function(){
alert($(this).parent('.child').index())
})