jQuery addClass example

Change class name on click in jQuery

by Dmitri Ganenco

HTML

<table id="myTable" class="form-group" cellpadding="10" table align="center">
  <tbody>
    <tr>
      <td><input type='text' name='from[]' onkeyup='compare();' placeholder='From'id='first'></td>
      <td><input type='text' name='to[]' onkeyup='compare();' placeholder='To' id='second'></td>
      <td><input type='text' name='gap[]' onkeyup='compare();' placeholder='Gap' id='third'></td>

    </tbody>

</table>
<center>
<button type="button" class="btn btn-primary" onclick="myFunction()">+Addmore</button>
<br><br>
<button type="submit" class="btn btn-warning">Submit</button>

</center>

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")
})