jQuery addClass example

Change class name on click in jQuery

by habla

HTML

<script src="https://d3js.org/d3.v5.min.js"></script>
<div id="banner-message">
  <p>Hello World</p>
  <button>Change color</button>
</div>

CSS

body {
  background: #20262E;
  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", function(){
  banner.addClass("alt")
})

$(function() {

  $.get({
  url: 'https://parse.buddy.com/parse/classes/sensor',
  headers: {'X-Parse-Application-Id': 'd449017c-ee9e-4bd6-baf6-6eb869a7a629',
  'X-Parse-REST-API-Key':'gskzK7z3POeCfhI35uHuvnFaE1rHSpgD'}
  })  .done(function( data ) {
    alert( "Data Loaded: " + JSON.stringify(data) );
  });

});