Jquery animate to right in 8 seconds

Use jquery to move / animate an element to the right or to left in 8 seconds. note that seconds in jquery is in thousand, so if we are going to make our animation in 15 seconds, it will be 15000

$(document).ready(function() {
 $("div").animate({
    left:'+=300px',
    }, 8000); 
});

Live Demo