JSFiddle - React, Tailwind, and code Playground

HTML

<img id="jqueryImage" src="http://www.developersnippets.com/wp-content/uploads/2009/01/jquery_applications.jpg" />

JavaScript

$('#jqueryImage').hover(function(){
    //on mousein
    $(this).css({
        width:"400px",
        height:"300px"
    });
}, function(){
    //on mouseout
    $(this).css({
        width:"101px",
        height:"101px"
    });    
});