jQuery addClass example

Change class name on click in jQuery

by patrick29

HTML

<div id="banner-message">
  <p>Hello World</p>
  <button id='test_button'>test</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;
}

JavaScript

/*listen1();
function listen1() {
	var param = "test1";
  $('#test_button').on('click', {param: param}, function(e) {
  	//p.val("test");
    alert(e.data.param);
  });
}
listen2();
function listen2() {
	var param = "test2";
  $('#test_button').on('click', {param: param}, function(e) {
  	//p.val("test");
    alert(e.data.param);
  });
}*/
listen("test3");
listen("test4");
function listen(param) {
  $('#test_button').off('click');
  $('#test_button').on('click', {param: param}, function(e) {
  	//p.val("test");
    alert(e.data.param);
  });
}