jQuery addClass example

Change class name on click in jQuery

by Ford Heacock

HTML

<div id="banner-message">
  <p>Hello World</p>
  <button id='wow'>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")

function myThing() {
	this.handle = function() {
  	return 'handling';
  }
  
  this.previousStep = function() {
  	console.log('hello fam');
  }
}

myThing.prototype = {
	crazy() {
  	return 'crazy'
  },
  
  amazing() {
  	return 'amazing'
  },
  
  addPrevStepNavLink(el) {
    el.on('click', this.previousStep);
  }
}

const a = new myThing();

a.addPrevStepNavLink(button)