jQuery toggleClass example

Toggle class name on click in jQuery

by Dhruv Shah

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/jqueryui/1.12.1/jquery-ui.min.js"></script>

<div id="date"></div>

CSS

body {
  padding: 20px;
  font-family: Helvetica;
}

#banner-message {
  background: #fff;
  border-radius: 4px;
  padding: 20px;
  font-size: 25px;
  text-align: center;
  transition: all 0.2s;
  margin: 0 auto;
  width: 300px;
}

button {
  background: #0084ff;
  border: none;
  border-radius: 5px;
  padding: 8px 14px;
  font-size: 15px;
  color: #fff;
}

#banner-message.alt {
  background: #0084ff;
  color: #fff;
  margin-top: 40px;
  width: 200px;
}

#banner-message.alt button {
  background: #fff;
  color: #000;
}

JavaScript

// find elements
var banner = $("#banner-message")
var button = $("button")

// handle click and add class
button.on("click", () => {
  banner.toggleClass("alt")
})

var dates = ["20/07/2020", "21/07/2020", "22/07/2020", "23/08/2020"];

function DisableDates(date) {
    var string = jQuery.datepicker.formatDate('dd/mm/yy', date);
    return [dates.indexOf(string) == -1];
}

$(function() {
     $("#date").datepicker({
         beforeShowDay: DisableDates
     });
});