If you want to pursue web development, then the importance of learning JavaScript is undebatable. In the web developing world, usage of JavaScript is very common and it is crucial to learn this programming language as JavaScript is the only language that runs on browsers. Moreover, to not be perplexed in the field later, it is better to go for detailed courses well in advance and get an edge over your competitors. In India, JavaScript developers draw an average salary of Rs 338,078.