JSFiddle - React, Tailwind, and code Playground

by gchoken

HTML

<button id="btn">show/hide</button>
<div id="box">xxx</div>

CSS

#box{
    background-color:red; 
    width:200px; 
    height:200px;
}

JavaScript

$("#btn").click(function(){
var btn = $("#box");
    if(btn.is(":hidden")){
        btn.css('display','block');
    }
    else{
        btn.css('display','none');
    }

});