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Using the utilities of lodash

With the exports in place, we can now take advantage of some of the utilities that come with Lodash. We'll quickly explore two in this section, and we'll be exploring more throughout the book since Lodash is basically just a set of really handy utilities. Before we do, we should take a look at the documentation so we know exactly what we're getting into.

This is a really common step when you're using an npm module: first, you install it; second, you've got to look at those docs and make sure that you can get done what you want to get done.

On the npm page, click the lodash link given there, or go to lodash.com and click the API Documentation page, as shown here:

You can view all of the various methods you have available to you, as shown in the following screenshot:

In our case, we'll be using command + F (Ctrl + F for Windows users) to search for _.isString. Then in the docs, we can click on it, opening it up in the main page, as shown in the following screenshot:

The _.isString is a utility that comes with lodash, and it returns true if the variable you pass in is a string, and it returns false if the value you pass in is not a string. And we can prove that by using it over in Atom. Let's use this.