javascript has become the most popular programming language in the world. It has attained that position by being easy to use and powerful in its capabilities. It wasn’t always that way but today it can be used to build virtually any application you desire. With the addition of HTML5 and CSS3, it allows for wonderfully animated and powerful web sites and applications without having to use other technologies such as Adobe Flash. javascript has also become much more standardized across the multiple browsers in use today.