Answers for "add animation class via jquery"

jquery animation

$( "#clickme" ).click(function() {
  $( "#book" ).animate({
    opacity: 0.25,
    left: "+=50",
    height: "toggle"
  }, 5000, function() {
    // Animation complete.
  });
});

image animation jquery

$("button").click(function(){
  $("img").animate({
    left: '250px',
    opacity: '0.5',
    height: '150px',
    width: '150px'
  });
});