Built-in progress bar
Sizes
Include the CSS and Javascript for Spin.js and Ladda effect:
<link rel="stylesheet" href="dist/ladda-themeless.min.css">
<script src="dist/spin.min.js"></script>
<script src="dist/ladda.min.js"></script>Then to produce a button with the Ladda effect:
<button class="btn btn-primary ladda-button" data-style="expand-left"><span class="ladda-label">expand-left</span></button>Or using "a" tag:
<a href="#" class="btn btn-primary ladda-button" data-style="expand-left"><span class="ladda-label">expand-left</span></a>You can choose the style of the effect by setting the data-style attribute:
data-style="expand-left"
data-style="expand-left"
data-style="expand-right"
data-style="expand-up"
data-style="zoom-in"
data-style="zoom-out"
data-style="slide-left"
data-style="slide-right"
data-style="slide-up"
data-style="slide-down"
data-style="contract"You can choose the size of the spinner by setting the data-size attribute:
data-size="xs"
data-size="s"
data-size="l"						
You can choose the color of the spinner by setting the data-spinner-color attribute (HEX code):
data-spinner-color="#FF0000"To activate the effect you can bind Ladda to all buttons that submit a form
Ladda.bind( 'input[type=submit]' );When using AJAX forms, you can use the following syntax:
<a href="#" id="form-submit" class="btn btn-primary btn-lg ladda-button" data-style="expand-right" data-size="l"><span class="ladda-label">Submit form</span></a>$(function() {
	$('#form-submit').click(function(e){
	 	e.preventDefault();
	 	var l = Ladda.create(this);
	 	l.start();
	 	$.post("your-url", 
	 	    { data : data },
	 	  function(response){
	 	    console.log(response);
	 	  }, "json")
	 	.always(function() { l.stop(); });
	 	return false;
	});
});Other methods available through Javascript
l.stop();
l.toggle();
l.isLoading();
l.setProgress( 0-1 );