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Simplifying JavaScript: A Handy Guide for Software Engineers

Gain insights into modern JavaScript, focusing on impactful syntax and practical usage. Discover essential language features and 51 valuable tips to enhance your productivity as a developer.

Beginner

64 Lessons

10h

Certificate of Completion

Gain insights into modern JavaScript, focusing on impactful syntax and practical usage. Discover essential language features and 51 valuable tips to enhance your productivity as a developer.

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This course includes

284 Playgrounds

27 Quizzes

Course Overview

Course Content

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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 importantly, when to. Your time is valuable, and this course, based on the Pragmatic Programmers’ book, Simplifying JavaScript, covers all the most important language features. And with 51 tips in total, you'll be able to ju...Show More

Course Content

Introduction

3 Lessons

Get familiar with modern JavaScript features, practical usage, and targeted resources for effective coding.

Modern JavaScript

About this course

Intended Audience & Other Sources

Signal Intention with Variable Assignment

5 Lessons

Unpack the core of variable declaration, block scoping, immutability, and template literals in JavaScript.

Introduction

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

Manage Data Collections with Arrays

6 Lessons

Go hands-on with arrays, includes(), and the spread operator for data collections.

Introduction

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

Maximize Code Clarity with Special Collections

8 Lessons

Grasp the fundamentals of enhancing JavaScript code clarity by using specialized collections.

Introduction

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

Write Clear Conditionals

4 Lessons

Dig into writing clear and concise JavaScript conditionals to enhance readability and maintainability.

Introduction

Tip 17: Shorten Conditionals with Falsy Values

Tip 18: Check Data Quickly with the Ternary Operator

Tip 19: Maximize Efficiency with Short Circuiting

Simplify Loops

9 Lessons

Simplify complex topics in JavaScript by mastering advanced looping techniques and array methods for clear, efficient code.

Introduction

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

Clean Up Parameters and Return Statements

5 Lessons

Build on techniques for handling function parameters and enhancing code clarity in JavaScript.

Introduction

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

Build Flexible Functions

6 Lessons

Step through functions in JavaScript, testability, arrow functions, currying, and context.

Introduction

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

Keep Interfaces Clear with Classes

7 Lessons

Unpack the core of JavaScript's class system, from inheritance to contexts, for clearer interfaces.

Introduction

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

5 Lessons

Examine JavaScript's async abilities: promises, async/await, fetch, and LocalStorage use.

Introduction

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

6 Lessons

Grasp the fundamentals of JavaScript code architecture, modularization, npm, component architecture, build tools, and CSS animations.

Introduction

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

Course Author

The Pragmatic Programmers

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