JSFiddle - React, Tailwind, and code Playground

HTML

<img src="http://www.google.com/intl/en_ALL/images/logos/images_logo_lg.gif" id="img_1">
    <img src="http://www.google.com/intl/en_ALL/images/logos/images_logo_lg.gif" id="img_2">
    <img src="http://www.google.com/intl/en_ALL/images/logos/images_logo_lg.gif" id="img_3">
    <img src="http://www.google.com/intl/en_ALL/images/logos/images_logo_lg.gif" id="img_4">

JavaScript

$('.get_val').click(function(){
   alert(this.id);
});