JSFiddle - React, Tailwind, and code Playground
by AndyE
HTML
<div id="bar1">
<input type="textbox" class="searchTxt" />
</div>
<div id="bar2">
<input type="textbox" class="searchTxt" />
</div>
JavaScript
$('.searchTxt').click(function(obj) {
alert($(this).closest("div[id^='bar']").prop("id"));
});