Chapter 6. Object-orientation with prototypes
In this chapter we discuss
- Using functions as constructors
- Exploring prototypes
- Extending objects with prototypes
- Avoiding common gotchas
- Building classes with inheritance
Now that we’ve learned how functions are first-class objects in JavaScript, and how closures make them incredibly versatile and useful, we’re ready to tackle another important aspect of functions: function prototypes.
Those already somewhat familiar with JavaScript prototypes might think of them as being closely related to objects, but once again it’s all about functions. Prototypes are a convenient way to define types of objects, but they’re actually a feature of functions.
Prototypes are used throughout JavaScript as ...
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