JSFiddle - React, Tailwind, and code Playground

HTML

<div id="content">
    <img src="http://www.freevectorgallery.com/wp-content/uploads/2011/10/Vintage-Microphone-11395-large.jpg" style="width:50%;" />
</div>

JavaScript

$(function () {
    $('#content img').hover(function () {
        $(this).toggle(function () {
            $(this).width('70%');
        });
  });
});