JSFiddle - React, Tailwind, and code Playground

HTML

<div id="div1" style="width:200px;border:1px solid #000;">Hello world</div> 
<input id="button1" type="button" value="Toggle" />

JavaScript

$(function(){
    $("#button1").click(function(){ 
        $("#div1").width($(window).width());
    });
});