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Basic JavaScript

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JS Advanced

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JavaScript Advanced

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This section covers advanced function topics in JavaScript.

These chapters are best after you understand basic functions (calling, parameters, return values, expressions, and arrows).

Note

If you are not comfortable with JavaScript functions yet, start here:

JavaScript Functions Tutorial

Advanced Functions Learning Path


Quick Start


Step 1

JavaScript Definitions

How functions are defined.

How they are used and how they are called.

Advanced


Step 2

The this Keyword

How this works (especially inside objects).

How this is decided by how it is called.

Advanced


Step 3

The call() Method

Call a function with a chosen this.

Pass a list of arguments.

Advanced



Step 4

The apply() Method

Call a function with a chosen this.

Pass an array of arguments.

Advanced


Step 5

The bind() Method

Call a function with a chosen this.

Use bind() when you need a function to run later with the same this.

Advanced


Step 6

Self Invoked - IIFE

Self-starting functions.

Advanced


Step 7

JavaScript Closures

Functions that remember their scope

Learn how functions can remember variables after the outer function finishes.

Advanced


Step 8

Function References

Function Object Methods & Properties.

Advanced



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