First came scripting languages like JavaScript, which revolutionized how browsers behave display web pages, then came jQuery. jQuery is like JavaScript on steroids. At the beginning of the century, Macromedia’s Flash was the new trend providing an attractive acquisition by Adobe. Though the concept of movie media streaming from an external site was interesting, a big problem posed itself in that search engines could not find content embedded in Flash objects. jQuery has animation functionality which rivals those of Flash objects without adversely affecting your SEO.