Enhancing your code

Now, let's go over several useful new functions of JS, which have to do with basic needs and features. This won't be exhaustive, since JS is quite big, after all! However, we will touch on the most interesting features that you will be likely to use.

How to do it...

The features in this section aren't linked by a common thread, apart from the fact that they will help you to write shorter, more concise code and help you to avoid possible common errors.

Working in strict mode

Let's start with a change that you probably won't need...