// Bind normal buttons Ladda.bind( '.ladda-btn button', { timeout: 2000 } ); // Bind progress buttons and simulate loading progress Ladda.bind( '.ladda-btn-progress button', { callback: function( instance ) { var progress = 0; var interval = setInterval( function() { progress = Math.min( progress + Math.random() * 0.1, 1 ); instance.setProgress( progress ); if( progress === 1 ) { instance.stop(); clearInterval( interval ); } }, 200 ); } } ); // You can control loading explicitly using the JavaScript API // as outlined below: // var l = Ladda.create( document.querySelector( 'button' ) ); // l.start(); // l.stop(); // l.toggle(); // l.isLoading(); // l.setProgress( 0-1 );