JSFiddle - React, Tailwind, and code Playground
HTML
<div id="myDiv">
<input class="MySelectorClass" id="1" type="checkbox"></input>
<input class="MySelectorClass" id="2" type="checkbox"></input>
<input class="MySelectorClass" id="3" type="checkbox"></input>
<input class="MySelectorClass" id="4" type="checkbox"></input>
</div>
JavaScript
$('#myDiv').click('.MySelectorClass', function(e){
if ($(e.target).is(':checked'))
{
alert(e.target.id);
}
})