This Lesson is for PRO Members.

Subscribe today and get access to all lessons! Plus direct HD download
for offline use, member comment forums, and iTunes "podcast" RSS feed.
Level up your skills now!


Already subscribed? Sign In


Immutable.js: Introduction - Easing the Pains of Mutability

By utilizing immutable data structures, we can write code that is easier to reason about, avoid mutation-related bugs, reduce complexity, and even gain some performance benefits along the way.

Before diving too far into Facebook's Immutable.js library, let's take a moment to examine some of the pains and obstacles that mutable data structures present.

We'll take a brief glimpse at putting the Immutable "List" data structure to work by example. We will convert our usage of Javascript's native Array to use Immutable.List in order to address a mutation-related "bug" caused by multiple objects "sharing" a mutable structure (array) by reference.

Please take a moment to tell your friends:

You must be a PRO Member to view code