JSFiddle - React, Tailwind, and code Playground

HTML

<div id="hideme"></div>


<input id="full_day" value="" />

CSS

#hideme
{
  height:100px; width:400px; background-color:red;
    
}

JavaScript

$(document).ready(function(){
    $("#full_day").keyup(function(){
             if ($(this).val() == "1" ) {

            $("#hideme").slideDown("fast"); //Slide Down Effect

        } else {

            $("#hideme").slideUp("fast");    //Slide Up Effect

        }
    });


});