jQuery addClass example

Change class name on click in jQuery

HTML

<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

const dictionary  = [
        {
    		"state": "AK",
    		"lat": "9875.33.00",
    		"long": "-8371.42.00",
    		"name": "Alaska"
    	},
    	{
    		"state": "AL",
    		"lat": "5335.51.00",
    		"long": "-15124.18.00",
    		"name": "Alabama"
    	}
      ];
      
const data = [
  {
    "date": 20200421,
    "state": "AK",
  },
  {
    "date": 20200421,
    "state": "AL",
  }
];

const result = data.map(item => ({...item, lat: dictionary[item.state].lat, long: dictionary[item.state].long }))
console.log(result)