jQuery addClass example

Change class name on click in jQuery

by Sascha

HTML

<div id="banner-message">
  <form id="contact-form" action="https://provider.net/list/forms_preview/?1231231231232" method="get">
    <fieldset id="builder_preview" class="rows labels-full inputs-full">
      <label>Your e-mail address: <input type="mail" name="email_address"></label>
      <input type="hidden" name="hidden_var1" value="12" />
      <input type="hidden" name="hidden_var2" value="45" />

      <input type="button" class="submit" value="Submit" />
      <input type="reset" value="Reset" />
    </fieldset>
  </form>
</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
$('.submit').on("click", function() {
  var children = $('form').siblings();
  var data = {};
  if (children.length && children.length > 0) {
    for (var i = 0; i < children.length; i++) {
      var $child = $(children[0]);
      try {
        data[$child.attr('name')] = $child.val();
      } catch (e) {
        console.log(e);
      }
    }
    console.log(data);

  }
});