jQuery addClass example

Change class name on click in jQuery

by nataliacs

HTML

<div id="banner-message">
  <p>Hello World</p>
  <button>Call Cloud Function</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

var button = $("button");

var url = "https://cdapp.back4app.io/functions/get";

// handle click and add class
button.on("click", function(){
  $.ajax({
	 method: 'POST',
   beforeSend: function (request)
        {
            request.setRequestHeader("X-Parse-Application-Id", 's4UgThBW6AIH63rHizNcWMsqegY8A5Gg0ChEF79D');
            request.setRequestHeader("X-Parse-REST-API-Key", '4pbDU44T77BSKKNkDZvssOjmL31EFMCds6DA2Pwj');
        },
    url: url,
    success: function(response){
    	alert(JSON.stringify(response));
    }, 
    error: function(error){
    	alert(error);
    }
	});
})