jQuery addClass example

Change class name on click in jQuery

by Marc Chehab

HTML

<div id="banner-message" class="box">
  <p>Hello Octo</p>
  <button>Change color</button>
</div>
<div id="banner-message1" class="box">
<p>Hello Boxy</p>
<button>Change color</button>
</div>
<table contentEditable="true">
<tr><td>Spalte1</td><td>Spalte2</td><td>Spalte3</td></tr>
<tr><td>Spalte1</td><td>Spalte2asvaerbeb</td><td>Spalte3</td></tr>
</table>

CSS

body {
  background: #FFFF00;
  padding: 20px;
  font-family: Helvetica;
}

.box {
  background: #0056ff;
  border-radius: 56px;
  padding: 48px;
  font-size: 25px;
  text-align: center;
  transition: all 3s;
  margin: 0 auto;
  width: 300px;
}

button {
  background: #0084ff;
  border: none;
  border-radius: 5px;
  padding: 8px 14px;
  font-size: 15px;
  color: #009900;
}

.box.alt {
  background: #ff2300;
  color: #007700;
  margin-top: 40px;
  width: 800px;
  height: 666px
}

.box.alt button {
  background: #fff;
  color: #000;
}

table td {
  border: 10px solid;
  color: #008821;
  
}

JavaScript

// find elements
var banner = $(".box")
var button = $("button")

// handle click and add class
button.on("click", function(){
	this.parentNode.classList.add("alt");
  //$(this).parent().addClass("alt")
})