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Simplifying JavaScript: A Handy Guide for Software Engineers

Course Overview

In this course, you’ll learn to write modern JavaScript from the ground up. But instead of going over every possible edge case, you’ll focus on the syntax that has a significant impact in your day-to-day work. As you review each construct, you’ll learn not just how to use it, but, more...

How You'll Learn

Hands-on coding environments

You don’t get better at swimming by watching others. Coding is no different. Practice as you learn with live code environments inside your browser.

Faster than videos

Videos are holding you back. The average video tutorial is spoken at 150 words per minute, while you can read at 250. That‘s why our courses are text-based.

No set-up required

Start learning immediately instead of fiddling with SDKs and IDEs. It‘s all on the cloud.

Progress you can show

Built-in assessments let you test your skills. Completion certificates let you show them off.

Hands-on coding environments

You don’t get better at swimming by watching others. Coding is no different. Practice as you learn with live code environments inside your browser.

Faster than videos

Videos are holding you back. The average video tutorial is spoken at 150 words per minute, while you can read at 250. That‘s why our courses are text-based.

No set-up required

Start learning immediately instead of fiddling with SDKs and IDEs. It‘s all on the cloud.

Progress you can show

Built-in assessments let you test your skills. Completion certificates let you show them off.

Course Contents

1. Introduction

Modern JavaScript

About this course

Intended Audience & Other Sources

2. Signal Intention with Variable Assignment

Tip 1: Signal Unchanging Values With const

Tip 2: Reduce Scope Conflicts with let and const

Tip 3: Isolate Information with Block Scoped Variables

Tip 4: Variables to Readable Strings with Template Literals

3. Manage Data Collections with Arrays

Tip 5: Create Flexible Collections with Arrays

Tip 6: Check Existence in an Array with Includes()

Tip 7: Mold Arrays with the Spread Operator

Tip 8: Avoid Push Mutations with the Spread Operator

Tip 9: Avoid Sort Confusion with the Spread Operator

4. Maximize Code Clarity with Special Collections

Tip 10: Use Objects for Static Key-Value Lookups

Tip 11: Create Objects Without Mutations Using Object.assign()

Tip 12: Update Information with Object Spread

Tip 13: Update Key-Value Data Clearly with Maps

Tip 14: Iterating over Key-Value Data with Map & Spread Operator

Tip 15: Create Maps Without Side Effects

Tip 16: Keep Unique Values with Set

5. Write Clear Conditionals

Tip 17: Shorten Conditionals with Falsy Values

Tip 18: Check Data Quickly with the Ternary Operator

Tip 19: Maximize Efficiency with Short Circuiting

6. Simplify Loops

Tip 20: Simplify Looping with Arrow Functions

Tip 21: Write Shorter Loops with Array Methods

Tip 22: Create Arrays of a Similar Size with map()

Tip 23: Pull Out Subsets of Data with filter() and find()

Tip 24: Apply Consistent Actions with forEach()

Tip 25: Combine Methods with Chaining

Tip 26: Transform Array Data with reduce()

Tip 27: Reduce Loop Clutter with for...in and for...each

7. Clean Up Parameters and Return Statements

Tip 28: Create Default Parameters

Tip 29: Access Object Properties with Destructuring

Tip 30: Simplify Key-Value Assignment

Tip 31: Passing Variable Number of Arguments with Rest Operator

8. Build Flexible Functions

Tip 32: Write Functions for Testability

Tip 33: Reduce Complexity with Arrow Functions

Tip 34: Focused Parameters with Partially Applied Functions

Tip 35: Combine Currying & Array Methods for Partial Application

Tip 36: Prevent Context Confusion with Arrow Functions

9. Keep Interfaces Clear with Classes

Tip 37: Build Readable Classes

Tip 38: Share Methods with Inheritance

Tip 39: Extend Existing Prototypes with Class

Tip 40: Simplify Interfaces with get and set

Tip 41: Create Iterable Properties with Generators

Tip 42: Resolve Context Problems with Bind()

10. Access External Data

Tip 43: Retrieve Data Asynchronously with Promises

Tip 44: Create Clean Functions with Async/Await

Tip 45: Make Simple AJAX Calls with Fetch

Tip 46: Maintain State Over Time with LocalStorage

11. Gather Related Files with Component Architecture

Tip 47: Isolate Functionality with Import and Export

Tip 48: Leverage Community Knowledge with npm

Tip 49: Build Applications with Component Architecture

Tip 50: Use Build Tools to Combine Components

Tip 51: Leverage CSS for Animations

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