The language unifies modules, functions/methods, classes and properties into the two concepts of object and pattern. It also shares features with Java, C, and C++ and can replace many of these languages for certain tasks on its own.
The web is also very dynamic and what’s popular today may not be tomorrow. Sites change and the type of interaction users expect or rely on also suffer changes over time. This is why it is a great time to be a front-end developer, especially a creative one with various skills under one’s belt.