JavaScript Algorithms and Data Structures

via freeCodeCamp

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Go to class

Provider

freeCodeCamp
Pricing

Free Certificate
Languages

English
Certificate

Certificate Available
Duration & workload

300 hours
Sessions

On-Demand

A Best Course of All Time

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Overview

While HTML and CSS control the content and styling of a page, JavaScript is used to make it interactive. In the JavaScript Algorithm and Data Structures Certification, you'll learn the fundamentals of JavaScript including variables, arrays, objects, loops, and functions.

Once you have the fundamentals down, you'll apply that knowledge by creating algorithms to manipulate strings, factorialize numbers, and even calculate the orbit of the International Space Station.

Along the way, you'll also learn two important programming styles or paradigms: Object Oriented Programming (OOP) and Functional Programming (FP).

Major Topics:

Basic JavaScript
ES6
Regular Expressions
Debugging
Basic Data Structures
Basic Algorithm Scripting
Object Oriented Programming
Functional Programming
Intermediate Algorithm Scripting
JavaScript Algorithms and Data Structures Projects

Syllabus

Comment Your JavaScript Code
Declare JavaScript Variables
Storing Values with the Assignment Operator
Assigning the Value of One Variable to Another
Initializing Variables with the Assignment Operator
Declare String Variables
Understanding Uninitialized Variables
Understanding Case Sensitivity in Variables
Explore Differences Between the var and let Keywords
Declare a Read-Only Variable with the const Keyword
Add Two Numbers with JavaScript
Subtract One Number from Another with JavaScript
Multiply Two Numbers with JavaScript
Divide One Number by Another with JavaScript
Increment a Number with JavaScript
Decrement a Number with JavaScript
Create Decimal Numbers with JavaScript
Multiply Two Decimals with JavaScript
Divide One Decimal by Another with JavaScript
Finding a Remainder in JavaScript
Compound Assignment With Augmented Addition
Compound Assignment With Augmented Subtraction
Compound Assignment With Augmented Multiplication
Compound Assignment With Augmented Division
Escaping Literal Quotes in Strings
Quoting Strings with Single Quotes
Escape Sequences in Strings
Concatenating Strings with Plus Operator
Concatenating Strings with the Plus Equals Operator
Constructing Strings with Variables
Appending Variables to Strings
Find the Length of a String
Use Bracket Notation to Find the First Character in a String
Understand String Immutability
Use Bracket Notation to Find the Nth Character in a String
Use Bracket Notation to Find the Last Character in a String
Use Bracket Notation to Find the Nth-to-Last Character in a String
Word Blanks
Store Multiple Values in one Variable using JavaScript Arrays
Nest one Array within Another Array
Access Array Data with Indexes
Modify Array Data With Indexes
Access Multi-Dimensional Arrays With Indexes
Manipulate Arrays With push()
Manipulate Arrays With pop()
Manipulate Arrays With shift()
Manipulate Arrays With unshift()
Shopping List
Write Reusable JavaScript with Functions
Passing Values to Functions with Arguments
Return a Value from a Function with Return
Global Scope and Functions
Local Scope and Functions
Global vs. Local Scope in Functions
Understanding Undefined Value returned from a Function
Assignment with a Returned Value
Stand in Line
Understanding Boolean Values
Use Conditional Logic with If Statements
Comparison with the Equality Operator
Comparison with the Strict Equality Operator
Practice comparing different values
Comparison with the Inequality Operator
Comparison with the Strict Inequality Operator
Comparison with the Greater Than Operator
Comparison with the Greater Than Or Equal To Operator
Comparison with the Less Than Operator
Comparison with the Less Than Or Equal To Operator
Comparisons with the Logical And Operator
Comparisons with the Logical Or Operator
Introducing Else Statements
Introducing Else If Statements
Logical Order in If Else Statements
Chaining If Else Statements
Golf Code
Selecting from Many Options with Switch Statements
Adding a Default Option in Switch Statements
Multiple Identical Options in Switch Statements
Replacing If Else Chains with Switch
Returning Boolean Values from Functions
Return Early Pattern for Functions
Counting Cards
Build JavaScript Objects
Accessing Object Properties with Dot Notation
Accessing Object Properties with Bracket Notation
Accessing Object Properties with Variables
Updating Object Properties
Add New Properties to a JavaScript Object
Delete Properties from a JavaScript Object
Using Objects for Lookups
Testing Objects for Properties
Manipulating Complex Objects
Accessing Nested Objects
Accessing Nested Arrays
Record Collection
Iterate with JavaScript While Loops
Iterate with JavaScript For Loops
Iterate Odd Numbers With a For Loop
Count Backwards With a For Loop
Iterate Through an Array with a For Loop
Nesting For Loops
Iterate with JavaScript Do...While Loops
Replace Loops using Recursion
Profile Lookup
Generate Random Fractions with JavaScript
Generate Random Whole Numbers with JavaScript
Generate Random Whole Numbers within a Range
Use the parseInt Function
Use the parseInt Function with a Radix
Use the Conditional (Ternary) Operator
Use Multiple Conditional (Ternary) Operators
Use Recursion to Create a Countdown
Use Recursion to Create a Range of Numbers
Compare Scopes of the var and let Keywords
Mutate an Array Declared with const
Prevent Object Mutation
Use Arrow Functions to Write Concise Anonymous Functions
Write Arrow Functions with Parameters
Set Default Parameters for Your Functions
Use the Rest Parameter with Function Parameters
Use the Spread Operator to Evaluate Arrays In-Place
Use Destructuring Assignment to Extract Values from Objects
Use Destructuring Assignment to Assign Variables from Objects
Use Destructuring Assignment to Assign Variables from Nested Objects
Use Destructuring Assignment to Assign Variables from Arrays
Use Destructuring Assignment with the Rest Parameter to Reassign Array Elements
Use Destructuring Assignment to Pass an Object as a Function's Parameters
Create Strings using Template Literals
Write Concise Object Literal Declarations Using Object Property Shorthand
Write Concise Declarative Functions with ES6
Use class Syntax to Define a Constructor Function
Use getters and setters to Control Access to an Object
Create a Module Script
Use export to Share a Code Block
Reuse JavaScript Code Using import
Use * to Import Everything from a File
Create an Export Fallback with export default
Import a Default Export
Create a JavaScript Promise
Complete a Promise with resolve and reject
Handle a Fulfilled Promise with then
Handle a Rejected Promise with catch
Using the Test Method
Match Literal Strings
Match a Literal String with Different Possibilities
Ignore Case While Matching
Extract Matches
Find More Than the First Match
Match Anything with Wildcard Period
Match Single Character with Multiple Possibilities
Match Letters of the Alphabet
Match Numbers and Letters of the Alphabet
Match Single Characters Not Specified
Match Characters that Occur One or More Times
Match Characters that Occur Zero or More Times
Find Characters with Lazy Matching
Find One or More Criminals in a Hunt
Match Beginning String Patterns
Match Ending String Patterns
Match All Letters and Numbers
Match Everything But Letters and Numbers
Match All Numbers
Match All Non-Numbers
Restrict Possible Usernames
Match Whitespace
Match Non-Whitespace Characters
Specify Upper and Lower Number of Matches
Specify Only the Lower Number of Matches
Specify Exact Number of Matches
Check for All or None
Positive and Negative Lookahead
Check For Mixed Grouping of Characters
Reuse Patterns Using Capture Groups
Use Capture Groups to Search and Replace
Remove Whitespace from Start and End
Use the JavaScript Console to Check the Value of a Variable
Understanding the Differences between the freeCodeCamp and Browser Console
Use typeof to Check the Type of a Variable
Catch Misspelled Variable and Function Names
Catch Unclosed Parentheses, Brackets, Braces and Quotes
Catch Mixed Usage of Single and Double Quotes
Catch Use of Assignment Operator Instead of Equality Operator
Catch Missing Open and Closing Parenthesis After a Function Call
Catch Arguments Passed in the Wrong Order When Calling a Function
Catch Off By One Errors When Using Indexing
Use Caution When Reinitializing Variables Inside a Loop
Prevent Infinite Loops with a Valid Terminal Condition
Use an Array to Store a Collection of Data
Access an Array's Contents Using Bracket Notation
Add Items to an Array with push() and unshift()
Remove Items from an Array with pop() and shift()
Remove Items Using splice()
Add Items Using splice()
Copy Array Items Using slice()
Copy an Array with the Spread Operator
Combine Arrays with the Spread Operator
Check For The Presence of an Element With indexOf()
Iterate Through All an Array's Items Using For Loops
Create complex multi-dimensional arrays
Add Key-Value Pairs to JavaScript Objects
Modify an Object Nested Within an Object
Access Property Names with Bracket Notation
Use the delete Keyword to Remove Object Properties
Check if an Object has a Property
Iterate Through the Keys of an Object with a for...in Statement
Generate an Array of All Object Keys with Object.keys()
Modify an Array Stored in an Object
Convert Celsius to Fahrenheit
Reverse a String
Factorialize a Number
Find the Longest Word in a String
Return Largest Numbers in Arrays
Confirm the Ending
Repeat a String Repeat a String
Truncate a String
Finders Keepers
Boo who
Title Case a Sentence
Slice and Splice
Falsy Bouncer
Where do I Belong
Mutations
Chunky Monkey
Create a Basic JavaScript Object
Use Dot Notation to Access the Properties of an Object
Create a Method on an Object
Make Code More Reusable with the this Keyword
Define a Constructor Function
Use a Constructor to Create Objects
Extend Constructors to Receive Arguments
Verify an Object's Constructor with instanceof
Understand Own Properties
Use Prototype Properties to Reduce Duplicate Code
Iterate Over All Properties
Understand the Constructor Property
Change the Prototype to a New Object
Remember to Set the Constructor Property when Changing the Prototype
Understand Where an Object’s Prototype Comes From
Understand the Prototype Chain
Use Inheritance So You Don't Repeat Yourself
Inherit Behaviors from a Supertype
Set the Child's Prototype to an Instance of the Parent
Reset an Inherited Constructor Property
Add Methods After Inheritance
Override Inherited Methods
Use a Mixin to Add Common Behavior Between Unrelated Objects
Use Closure to Protect Properties Within an Object from Being Modified Externally
Understand the Immediately Invoked Function Expression (IIFE)
Use an IIFE to Create a Module
Learn About Functional Programming
Understand Functional Programming Terminology
Understand the Hazards of Using Imperative Code
Avoid Mutations and Side Effects Using Functional Programming
Pass Arguments to Avoid External Dependence in a Function
Refactor Global Variables Out of Functions
Use the map Method to Extract Data from an Array
Implement map on a Prototype
Use the filter Method to Extract Data from an Array
Implement the filter Method on a Prototype
Return Part of an Array Using the slice Method
Remove Elements from an Array Using slice Instead of splice
Combine Two Arrays Using the concat Method
Add Elements to the End of an Array Using concat Instead of push
Use the reduce Method to Analyze Data
Use Higher-Order Functions map, filter, or reduce to Solve a Complex Problem
Sort an Array Alphabetically using the sort Method
Return a Sorted Array Without Changing the Original Array
Split a String into an Array Using the split Method
Combine an Array into a String Using the join Method
Apply Functional Programming to Convert Strings to URL Slugs
Use the every Method to Check that Every Element in an Array Meets a Criteria
Use the some Method to Check that Any Elements in an Array Meet a Criteria
Introduction to Currying and Partial Application
Sum All Numbers in a Range
Diff Two Arrays
Seek and Destroy
Wherefore art thou
Spinal Tap Case
Pig Latin
Search and Replace
DNA Pairing
Missing letters
Sorted Union
Convert HTML Entities
Sum All Odd Fibonacci Numbers
Sum All Primes
Smallest Common Multiple
Drop it
Steamroller
Binary Agents
Everything Be True
Arguments Optional
Make a Person
Map the Debris
Palindrome Checker
Roman Numeral Converter
Caesars Cipher
Telephone Number Validator
Cash Register

Taught by

freeCodeCamp Team

Reviews

4.7 rating, based on 47 Class Central reviews

Start your review of JavaScript Algorithms and Data Structures

Patricia A Jackson @KweenDev73

As a wife, mother, and grandmother looking to change careers, I find this bootcamp so helpful. I've been studying programming off and on for a few years now and trying to learn JS on my own has been a nightmare. I enjoy the live sessions (even though I have to catch them as a repeat due to working full time) the way Ramon takes the time to explain each concept has helped me to let my guard when it comes to JS. It's actually kinda of a fun language. I'm really thankful for this opportunity to be a part of this learning community.
Maianne Thornton @maiannethornton

Very informative and immersive. Great learning resource with plenty of help when you get stuck whether it be the forums or the hints that are offered. Amazing way to learn JavaScript and critical thinking at your own pace.

The JavaScript Bootcamp cohort that has been offered was a tremendous help in assisting in instructing the difficult to pick up concepts. The instructor was very knowledgeable, patient, and uplifting when we all solved solutions together.
Kinkin(li) @kiliti

The lecture needs lots of time to study that how to use the knowledge successfully,so it refers to the new tool to use the skill of the computer so that I can make me and my animal's apperance better.
Kaiga Munene @Kaiga

Easy to learn and follow through the questions, the only downside is that you might get stuck sometimes but you don't know who to ask. Am glad they introduced the JavaScript bootcamp, that has helped where i was stuck and also the lessons are lively and boring at all like reading alone.
Muhammad Noman

"Data Structures and Algorithms with JavaScript" is an essential course for any aspiring software developer or programmer looking to strengthen their understanding of fundamental data structures and algorithms within the context of JavaScript. This…

"Data Structures and Algorithms with JavaScript" is an essential course for any aspiring software developer or programmer looking to strengthen their understanding of fundamental data structures and algorithms within the context of JavaScript. This course provides a comprehensive and practical approach to these critical concepts.

One of the course's strengths is its focus on JavaScript, a versatile and widely-used programming language, making it accessible to a broad audience. The instructors often present real-world examples and problem-solving techniques, helping students bridge the gap between theory and application.

Throughout the course, you'll delve into various data structures like arrays, linked lists, trees, and graphs, and explore algorithms such as sorting, searching, and traversal. The instructors strike a balance between theory and hands-on coding exercises, ensuring that students not only grasp the concepts but also gain practical experience implementing them.

Additionally, the course promotes problem-solving skills, algorithmic thinking, and optimization techniques, which are invaluable for technical interviews and real-world software development tasks.

In conclusion, "Data Structures and Algorithms with JavaScript" is a highly recommended course for anyone looking to solidify their knowledge in this fundamental area of computer science while gaining proficiency in JavaScript. The practical approach and well-structured content make it a valuable resource for both beginners and experienced developers.
Karthikeyan S

Basic Syntax: Reviewing the syntax of JavaScript, including variables, data types, operators, and basic control structures like loops and conditionals. Functions: Refreshing your understanding of how to define and call functions in JavaScript, inclu…

Basic Syntax: Reviewing the syntax of JavaScript, including variables, data types, operators, and basic control structures like loops and conditionals.
Functions: Refreshing your understanding of how to define and call functions in JavaScript, including parameters, return values, and scope.
Arrays and Objects: Revisiting the concepts of arrays and objects, including how to create, manipulate, and access their elements.
DOM Manipulation: A review of how to interact with the Document Object Model (DOM), including selecting elements, modifying their content, and responding to user events.
Asynchronous JavaScript: Understanding asynchronous programming in JavaScript, including callbacks, promises, and async/await syntax.
Error Handling: Reviewing error handling techniques in JavaScript, such as try-catch blocks and error objects.
ES6 Features: Exploring newer features introduced in ECMAScript 6 (ES6), such as arrow functions, template literals, destructuring, and classes.
Debugging: Refreshing your debugging skills, including how to use browser developer tools to identify and fix issues in JavaScript code.
Best Practices: Reviewing best practices for writing clean, efficient, and maintainable JavaScript code, including naming conventions, code organization, and performance considerations.
Testing: Introducing basic testing concepts in JavaScript, including unit testing frameworks like Jest or Mocha.
Depending on the specific course or material you're referring to, the content and depth of the review may vary. It's always a good idea to practice writing code and applying the concepts you've learned to solidify your understanding.
Hamza Hashim @hamzahashim

So far its almost 2 weeks and I am shock how helpful this course is so far the way of teaching is awsome, I am exited to complete this
Alex Paun @alexpaun

Ramón is a great teacher with a positive vibe. Going through the course content with him was fun, I've learned a lot of new things and I feel very confident to go on further into studying programming.
Kc Pele @Kcpele

Nice course that enlarges your skills. It also help you code along which in turn makes you a better programmer than just watching or reading the class content
Herald Flores @heraldFlores

Thanks to Class Central and FreeCodeCamp for this wonderful Bootcamp, I loved the dynamics and the content, also thanks to Ramón Huidobro, for his mentoring.
Begzod To'ychiboyev

This course was very beneficial for me, since I have learned the basics of Javascript and I learned many informations about data structures.
Gaurav Balasaheb Ugale

Very good course and extra knowledge for students and free of cost with certificate
What will be printed?

Sir I hav understand all the concept so thanks
Rohan Karak

This course was very beneficial for me, since I have learned the basics of Javascript and I learned many informations about data structures.
Rana Usman

The JavaScript course is an excellent resource for both beginners and intermediate learners. It covers the fundamental concepts of JavaScript in a clear and structured manner. The course offers a well-organized curriculum that delves into variables,…

The JavaScript course is an excellent resource for both beginners and intermediate learners. It covers the fundamental concepts of JavaScript in a clear and structured manner. The course offers a well-organized curriculum that delves into variables, data types, control structures, functions, and DOM manipulation. Practical examples and hands-on coding exercises enhance understanding. The instructors' explanations are concise and easy to follow, making complex topics approachable. However, the course could benefit from more advanced content, as it primarily targets beginners. In summary, the JavaScript course provides a solid foundation for anyone looking to start their journey in web development but may leave advanced learners wanting more depth.
Aijaz Ali Shah S/o Syed Abdul Qadir Shah

I recently completed the JavaScript Algorithms and Data Structures course and I must say, it was an excellent learning experience. The course covers a wide range of topics related to algorithms and data structures, and provides a solid foundation in…

I recently completed the JavaScript Algorithms and Data Structures course and I must say, it was an excellent learning experience. The course covers a wide range of topics related to algorithms and data structures, and provides a solid foundation in JavaScript programming.

One of the things I appreciated about the course is that it starts with the basics and gradually builds upon them. The instructor does a great job of explaining complex concepts in a clear and concise manner, making it easy to follow along and understand.

The course also includes a lot of hands-on coding exercises, which I found to be very helpful in reinforcing the concepts taught. The exercises are challenging but not overwhelming, and they really helped me solidify my understanding of the material.

Another aspect of the course that I found valuable was the emphasis on problem-solving skills. The instructor provides a step-by-step approach to solving algorithmic problems, which I found to be very effective. By the end of the course, I felt much more confident in my ability to approach and solve coding challenges.

Overall, I highly recommend the JavaScript Algorithms and Data Structures course to anyone looking to improve their programming skills, particularly in JavaScript. The course is well-structured, the instructor is knowledgeable and engaging, and the material is presented in a way that is easy to understand. Whether you're a beginner or an experienced programmer, you'll definitely benefit from taking this course.
Jeferson Napolitano @Napolitano

Dear,
Good evening everyone, thank you for the excellent bootcamp. And mainly for the masterful classes of Professor Ramón Huidobro who makes programming and learning simple.
Thank you all so much for the opportunity and learning.
Jeferson Napolitano
ZAKARIA ABDUL HAKEEM SUGLO

It’s very good and interesting, I urge you all to come join and study this program. With this course or programme, youngsters and get jobs on their own and be able to use their knowledge acquired from code camp to save the world and make information…

It’s very good and interesting, I urge you all to come join and study this program. With this course or programme, youngsters and get jobs on their own and be able to use their knowledge acquired from code camp to save the world and make information e technology rule over. Very informative and immersive. Great
learning resource with plenty of help when
you get stuck whether it be the forums or the
hints that are offered. Amazing way to learn
JavaScript and critical thinking at your own
pace.
The JavaScript Bootcamp cohort that has
been offered was a tremendous help in
assisting in instructing the difficult to pick up
concepts. The instructor was very
knowledgeable, patient, and uplifting when
we all solved solutions together.
Anonymous

As a wife, mother, and grandmother looking to change careers, I find this bootcamp so helpful. I've been studying programming off and on for a few years now and trying to learn JS on my own has been a nightmare. I enjoy the live sessions (even though I have to catch them as a repeat due to working full time) the way Ramon takes the time to explain each concept has helped me to let my guard when it comes to JS. It's actually kinda of a fun language. I'm really thankful for this opportunity to be a part of this learning community.
Aditya Raj

As a student looking to change careers, I find this bootcamp so helpful. I've been studying programming off and on for a few years now and trying to learn JS on my own has been a nightmare. I enjoy the live sessions (even though I have to catch them as a repeat due to working full time) the way Ramon takes the time to explain each concept has helped me to let my guard when it comes to JS. It's actually kinda of a fun language. I'm really thankful for this opportunity to be a part of this learning community.
Anonymous

This section is challenging for people who are learning their first programming language. But it will give you lot of practice with the fundamentals and algorithms. Plus the FCC forum is really helpful when you are stuck with a challenge.