Data Structures in JavaScript - Master the Fundamentals

IT & Software

Self-paced course

Javascript

Programming Languages

TutorialsPoint

Free trial

Money back guarantee

English

Beginner

Video format

Computer Science

Course Outline

Introduction

Arrays vs Lists

Common Array Iterations

Pairwise Array Comparisons

Array Functions

Searching Arrays

"Is Sorted" Challenge

"Is Sorted" Solution

Two Dimensional (2D) Arrays

Iterating Over Two Dimensional Arrays

Two Dimensional Bounds Checking

The Minesweeper Challenge

The Minesweeper Solution

The Tally Sort Challenge

The Tally Sort Solution

Arrays

Lists Out of Arrays

Implementing List Push and Grow Functions

Implementing List Remove

Implement List Insert

The List Contains Challenge

The List Contains Solution

List Get and Set

The Concat Challenge

The Concat Solution

Lists

Introduction to Big O

Big O of N-Squared

Timing Big O of One Versus N Versus N-Squared

No Constants- N Big O Notation

The Big O Challenge

The Big O Solution

The Big O Time Space Asymptomatic Analysis

Linked Lists

Coding Linked Lists

Linked List Manipulation Challenge

Linked List Manipulation Solution

Linked List Class

Get at Index

Remove at Index

Add at Index

Summarizing Arrays vs Linked Lists

Prefer Manipulating Pointers to Copying Data

Introduction to Stacks

Stack Implementations

Stack Out of Linked List

Stack Out of Array

The Balance Parenthesis Challenge

The Balance Parenthesis Solution

The Paren Bracket Curly Balance Challenge

The Paren Bracket Curly Balance Solution

The Condense Challenge

The Condense Inefficient Solution

The Condense Efficient Solution

Stacks

Introduction to Queues

Implementing a Queue

The Josephus Challenge

The Josephus Solution

The Sieve of Eratosthenes Challenge

The Sieve of Eratosthenes Solution

Native JavaScript (JS) Arrays Stacks and Queues

Queues

Introduction to Recursion

Recursive Fibonacci

The Palindrome Challenge

Palindrome Hints

The Palindrome Solution

Palindrome Bonus

Recursion

Introduction to Trees

Iterating Over Trees

The Tree Sum Challenge

The Tree Sum Solution

The Tree Contains Challenge

The Tree Contains Solution

The Tree Size Leaves Challenge

The Tree Size Leaves Solution

The Tree Min Max Height Challenge

The Tree Min Max Height Solution

Binary Search Trees

Binary Search Tree Add

The Binary Search Tree Contains Challenge

The Binary Search Tree Contains Solution

Unbalanced Binary Search Trees

The Morse Code Challenge

The Morse Code Solution

Trees

Introduction to Hash Maps

Handling Collisions with Linear Probing

Handling Collisions by Chaining Linked Lists

Coding Linked List Collisions

Hash maps

Introduction to Graphs

Coding a Graph Class

Breadth First and Depth First Traversals

Graphs

## Preview

It's hard to learn a language but it's even harder to do it without cultural or emotional connection. I'm sure that the process of learning a new language goes much faster when you create an environment. It can be videos that you watch, books you read, people you talk to, or music you listen to. Anything that makes you feel great!

So, let's watch these YouTube videos to be empowered to learn a language you always wanted to speak.

## Nathaniel Drew Speaks 5+ Languages to his Polyglot Grandma

~embed(https://www.youtube.com/embed/AYp5xtkoF6M)~

TAKEAWAY: In you are in a specific language environment, you quit seeing a language learning process as a process of learning. You just live your life speaking a different language.

## Xiaoma Speaks Perfect Chinese in NYC

~embed(https://www.youtube.com/embed/lV7H9bpXaEY)~

TAKEAWAY: The more you try, the more results you get, Don't be afraid of speaking to foreigners and strangers. They will appreciate your attempt anyway!

## Wouter Corduwener Speaks 21 Languages on the Street

~embed(https://www.youtube.com/embed/t3H5D-XxPrI)~

TAKEAWAY: His curiosity about languages and cultures is through the roof! Excitement will make you go towards your goal no matter what.

## Leave your comment

How do you learn a foreign language, and what helps you the most? 

I'm sure you'll get where you're going soon. EdLeed will try to help you with the search. 

Take care!

YouTube videos that have inspired millions of people to learn a foreign language.

Famous YouTube Polyglots

Languages

WATCH these YouTube videos if you can't start learning a language

## About Memrise

Memrise is a language learning platform that uses spaced repetition of flashcards to increase the rate of learning.

Let’s jump right into it and look over what users of this platform thinks about it!

**In this article**, there're three different opinion about the platform that we've colleted for you to better understand what Memrise is all about.

## Famous YouTube Polyglot reacts to Memrise
 
 Xiaoma is an extodinary language learner. He speaks Chinese and Spanish perfectly. He is someone who inspires learning foreign languages. 
 
 So, let's find out what he thinks about Memrise. The reaction to Memrise begins at 10:09.
 
 ~embed(https://www.youtube.com/embed/DKlTUDAMO54)~ 

> You could learn a vocabulary from this but it doesn't seem to be like a great way to just learn a whole language.

As you see, he kind of enjoyed his first Chinese lesson on Memrise. The only concern he got was that Memrise gives you words without a context. But it was only the first lesson. 

So, understand this how it is. Memrise is a good way to start learning a new language, but you need to do some extra work to be able to speak it and understand by hearing.

## All Language Resourses Review

> "A Useful Supplementary Tool But Not Sufficient By Itself" - Mateo

~embed(https://www.youtube.com/embed/rrLh7b3tzeg)~


## Test Prep Insight

~embed(https://www.youtube.com/embed/NyK6orcIjLo)~

This video breaks into the following pieces: 


* Introduction

* Memrise Pro PLan

* How the Memrise Language Programs Are Organized

* What the Memrise Lessons Are Like

* What I Like about Memrise

* What I DON'T Like about Memrise

* Verdict: Memrise App Review


So, we've collected a few opinions and now we're ready to make a conclusion. 

## Would you give Memrise a shot?

Honest feedback from people who have experienced learning a language with Memrise.

How Memrise works + reviews [2022]

Tops & Rankings

## Preview

Video content is a massive source of knowledge people use on a **daily basis**. There is not one strict set of rules you should follow to use **video content** in educational purposes effectively. You should be flexible with it.

**Let’s find out** how you can approach it to get **maximum results** in learning a new language.

**In this article**, I’m going to share with you a few tips I use to learn languages with videos on YouTube.

## 1. Watch different types of video content
 
![Picture 2.png](https://edleed-search.s3.amazonaws.com/blog/blog/Picture%202.png) 

YouTube library provides with the huge amount of video material that can be possibly used for **educational purposes**.

### Educational videos

**Usually** these are videos where a teacher formally explains a specific grammar topic. 

It applies to all videos that **focuses** on the way a language you’re learning works.

#### These are the examples of educational language learning videos on past tense:

1.	Learn Spanish Tenses: Preterit (Past Simple) – What you need to know! 
~embed(https://www.youtube.com/embed/8nce2ppOZXE)~

2.	PAST tense and FUTURE tense in Chinese(master in 10 minutes) Yimin Chinese(2020) 
~embed(https://www.youtube.com/embed/_UxECPYSWVs)~

3.	Learn English Tenses: PAST SIMPLE 
~embed(https://www.youtube.com/embed/dmJrYbDjxQY)~


### Vlog-type videos

The title speaks for itself. These videos are the purest imitation of how real **native speakers** talk. 

You can travel to another country just playing a vlog. It’s magical, _isn’t it_?

**Of course, this formal has some PROS and CONS:**

**PROS:**

* The language is authentic. You don’t need to be physically in this language environment to learn how a regular people speak their language.

* This helps to integrate more in the culture. You will get to understand inside jokes, references, and other cultural peculiarities. 

**CONS:**

* Most of the time, native speakers talk incorrectly. They don’t strictly follow grammar rules making a language learning process even more difficult for learners.

* Bad language habits can stick to your tongue even if you want to speak properly.



#### These are the examples of vlog-type videos:

1. UNE JOURNÉE DANS MA PEAU À PARIS | SleepingBeauty 
~embed(https://www.youtube.com/embed/YY_xrRIp-hw)~

2. Vlog in Japanese #5 Autumn leaves in Kyoto (Basic level listening with subs) 
~embed(https://www.youtube.com/embed/sq1iapb2Hh4)~

3. Der erste Urlaub zu dritt - die letzten Vorbereitungen am Camper | MANDA Vlog 
~embed(https://www.youtube.com/embed/DNSHdnuKjyQ)~



### Topic-based videos

Videos that have a purpose of explaining a topic that has no connection to a language being spoken from a linguistic standpoint. 

The words will stick to you quickly because this is what you like and learn in your native language. So, it’s only one difference. You watch it in a language you learn. I would call it a double win. 

#### These are the examples of vlog-type videos:

1.	Chardonnay (everything you need to know) | Grapes 101 
~embed(https://www.youtube.com/embed/aSpyylc5F20)~

2.	Vue JS Crash Course 
~embed(https://www.youtube.com/embed/qZXt1Aom3Cs)~

3.	I Wrote A Screenplay In 48 Hours 
~embed(https://www.youtube.com/embed/xoUUdjyM9Oo)~

## 2. Collect words and phrases you perceive

![Picture 3.png](https://edleed-search.s3.amazonaws.com/blog/blog/Picture%203.png) 
 
During the process of watching videos in educational purposes you should **keep in mind** that all words bloggers say in their video can be included in your vocabulary. 

It doesn’t apply only to educational videos. It also applies to vlog-type of videos and topic-based videos.

If you hear the same phrase **over and over again**, it might be a chance that you will need it too in your speech in future. 

**Write down frequently repeated words.**

**Sometimes**, words don’t work without a context. So, be careful with **word connections**. 

## 3. Practice Using New Vocabulary

![Picture 4.png](https://edleed-search.s3.amazonaws.com/blog/blog/Picture%204.png) 
 
Imagine situations when you will probably need those written words and create sentences with them.

There are a few things you can check whether you use those words correctly:

* Google your sentences (Google Translate)

Try to input your request on Google and you might find other option with the same meaning or correct yourself if there is no request with such words put together. 

Be careful! Websites are made by people. They can make mistake as well. 

So, find as many requests with the same words and structure to make sure that the example you input earlier is commonly used.


* Marketplace for tutors and learners (e.g. Preply, Italki)

You can book a lesson with a native speaker and ask them directly: _is it correct to say…? How can I paraphrase it?_ 

Native speakers are **always ready to help** foreigners learn their language. 

**Don’t be afraid of saying anything wrong!** :kissing_face:

* Social networks for language learners (e.g. Tandem, HiNative) 

Text **native speakers** to practice a living language that people actually use on writing.

## 4. Imitate a native speaker’s speech
 
![Picture 5.png](https://edleed-search.s3.amazonaws.com/blog/blog/Picture%205.png)  

Language learning is not only about memorization of words and phrases. The way you speak and pronounce words are **also important**.

**Luckily**, you can find pretty much every single dialect on YouTube and learn the one you enjoyed hearing.

## 5. Find time to practice every day

![Picture 6.png](https://edleed-search.s3.amazonaws.com/blog/blog/Picture%206.png) 

Subscribe to a few YouTube channels of all types of content and practice your listening skills every day.

Try to spend at least **30 minutes a day** on listening native speakers concentrating on their speech. 

**You will make it! Let's go!**

If you learn a new language and wonder what educational platforms to use, [find out more on EdLeed](https://edleed.com/catalog).

Learn languages by watching your favorite videos on YouTube. Make a process of studying a new language a fun and effective.

5 tips to learn languages with YouTube videos [2022]

## Preview

Hi, my name is Artur and I’m 22 years old Partner Channel Marketing Manager at Microsoft working for a Russian subsidiary.

**In this article**, I want to share my learning path to pursue my dream career in one of the largest corporations on the globe. 

## Changing approach

I was not a very passionate student. Getting my degree in RANEPA in the field of Management/Marketing, I wasn’t really sure that this was the right choice. 

It was 2017 and programming languages were booming: everybody got to know them. **I tried and I failed.** 

I started learning Python on Udemy free courses and couldn’t comprehend a thing! I was frustrated and devastated at the same time. 

“I will never be somewhere around IT!” -, I thought. 

And I’ve decided to change my approach and get laser-focused on my current studies at the university.

## Small steps, big dreams

Quickly I realized that if you can put your mind to something, you’ll eventually grow your expertise. 

I remember Math, Informatics, Business Development, Business English, Management, and Digital Marketing as the cornerstones of my future career. 

I learned that **asking questions is the only way** for me to grasp the concept, and I had to solidify it by getting back to it at home. They say if you don’t know something, perhaps an Indian guy is already teaching it on YouTube. They are great at teaching, by the way, I love them.

So, I was consistently expanding my understanding of fundamentals, step by step getting to my first great learning – working for an international cybersecurity company.

## Hardening soft skills

During my onboarding at Kaspersky, I had to get exceptional at multitasking: a whole lot of new data, first full-time job and I’m still studying. 

At this point, I was not only expanding my hard skills: working in MS Office and other applications, but also getting my soft skills trained. You see, I was green, and I had difficulty conveying my point of view. So, I’ve decided to enroll in my first big course on Coursera devoted to Negotiation. 

Honestly, it was **perfect timing**. I had some issues at work that couldn’t have been solved without this wonderful course. Learning more about the art of negotiation, interconnection and communication allowed me to gain the confidence to move further in my career.

## Shift before the jump

Then I started working for L’Oreal and again, dozens of materials that I had to familiarize myself with. 

At this point, I wanted to start over my programming learning, and I’ve started the course ‘Python for Beginners’ at Stepic. It’s free and interactive, which allowed me to practice more and network, which eventually gave me a deeper understanding. 

Here, I crystallized my approach: study at work on how to get your work better, study at home on how to make your life better. 

As you can see, there is no option that you don’t study. I love learning new and so at that point, I was learning Python, Investing, First Aid, Spanish, and Nutritiology for myself and E-mail Marketing, CRM, SEO, SMM, CJM, and Project Management for my job.

## The Big Stepper and Mr. Nadella

**I got a job offer at Microsoft** after a few months for L’Oreal. 

I’m a non-stopping, never-resting learner and the corporate culture is encouraging this approach. In less than a year I learned more than in the last 3-4 years. 

Courses on Marketing, Management, Resilience, and Project management; badges and certifications in Sustainability, Accessibility, Diversity, and Inclusion and Azure Fundamentals. 

Sometimes, we don’t even notice the learning possibilities a company has to offer, not to mention free and cheap opportunities on the web. 

**One of the greatest concepts I learned** here at Microsoft that will really stick up with me is that in order to find success, we need to switch our approach from “know-it-all” to “learn-it-all”. Be a constant learner and you will always be one step ahead of your past self.

This story is not only about what the title says. This story teaches us that you can achieve anything as long as you believe in what you are doing.

How I Became a Marketing Manager at Microsoft

Jobs & Salaries

## Preface

Edureka is an EdLeed's provider of online courses. Why should you choose them? 

Edureka had achieved the completion rate of **80%** which is very impassive! Their courses are super engaging and effective. 

Here are 7 features of Edureka courses that won't leave you hasatated:

### 1. Live online courses, interactive classes with student-centered approach

Every student gets personalized attention during and after every class. Even if you’re a part of a learning group, Edureka’s educators will always find time to answer all your questions.

### 2. Tutor support

Edureka’s specialists are well-qualified and supportive. They try to make every single learning experience on Edureka smooth and effective.

### 3. All courses have industry-relevant cases

Projects that students are taking in a class was created by industry experts. Exercises are being constantly updated to make sure that the material gives an accurate information according to the current changes in the industry.

### 4. Certification

The Edureka certificate is recognized by the people in the tech-industry. This is legitimate evidence of your knowledge the level of which will be clear for your future employers.

### 5. Lifelong access

In case, you need to go back and read up something you have already studied. You can do it in your LMS (Learning Management System). The LMS has class recordings, project collateral, and additional reading material aligned to every class and every course.

### 6. Private learning manager

Ask any questions anytime to your private learning manager. Get support on every step of your learning experience on Edureka.

### 7. Peer-to-peer discussions

Edureka has forums where more than 600,000 learners can ask questions and discuss a certain matter that interests them.


### YouTube Reviews 

~embed(https://www.youtube.com/embed/nr6haHrBG6c)~

~embed(https://www.youtube.com/embed/Y10GJfMOsKY)~

## Trustpilot Reviews

![Screenshot 2022-09-24 at 08.54.55.png](https://edleed-search.s3.amazonaws.com/blog/blog/Screenshot%202022-09-24%20at%2008.54.55.png) 

![Screenshot 2022-09-24 at 08.55.08.png](https://edleed-search.s3.amazonaws.com/blog/blog/Screenshot%202022-09-24%20at%2008.55.08.png) 

![Screenshot 2022-09-24 at 08.54.37.png](https://edleed-search.s3.amazonaws.com/blog/blog/Screenshot%202022-09-24%20at%2008.54.37.png) 

![Screenshot 2022-09-24 at 08.55.25.png](https://edleed-search.s3.amazonaws.com/blog/blog/Screenshot%202022-09-24%20at%2008.55.25.png) 

![Screenshot 2022-09-24 at 08.55.51.png](https://edleed-search.s3.amazonaws.com/blog/blog/Screenshot%202022-09-24%20at%2008.55.51.png)

Let's see how Edureka works and what people who already have completed their courses can say about it.

How Edureka works + reviews [2022]

## About Codecademy

[Codecademy](https://edleed.com/catalog/provider/Codecademy) is a popular platform where you can easily learn any programming language you want to master. 

## Learning process

**3 steps to start learning how to code with Codecademy:**

1. Take a look at the syllabus
2. Click on a lesson
3. Start learning!

### 15 Programming languages that you can learn with Codecademy:

1.	[HTML & CSS](https://edleed.com/catalog/subject/Programming%20Languages?study=HTML)
2.	[JavaScript](https://edleed.com/catalog/subject/Programming%20Languages?study=Javascript)
3.	[Python](https://edleed.com/catalog/subject/Programming%20Languages?study=Python) 
4.	[Java](https://edleed.com/catalog/subject/Programming%20Languages?study=Java) 
5.	[SQL](https://edleed.com/catalog/subject/Programming%20Languages?study=SQL&study=Microsoft+SQL+Server&study=MySQL&study=Oracle+SQL&study=PostgreSQL&study=SQL+Server&study=SQLite) 
6.	[Ruby](https://edleed.com/catalog/subject/Programming%20Languages?study=Ruby&study=Ruby+on+rails) 
7.	[C++](https://edleed.com/catalog/subject/Programming%20Languages?study=C%2B%2B) 
8.	[R](https://edleed.com/catalog/subject/Programming%20Languages?study=R) 
9.	[C#](https://edleed.com/catalog/subject/Programming%20Languages?study=C%23) 
10.	[PHP](https://edleed.com/catalog/subject/Programming%20Languages?study=PHP) 
11.	[Swift](https://edleed.com/catalog/subject/Programming%20Languages?study=Swift) 
12.	[Kotlin](https://edleed.com/catalog/subject/Programming%20Languages?study=Kotlin) 

### FREE CODECADEMY COURSES 

They provide the foundations for free. So, if you’re not sure what language to choose, you can learn the foundations and then go for one of the paid plans. 

**Check out their most popular courses:**

1.	[Python Course](https://edleed.com/course/learn-python-with-codecademy-145359)
2.	[HTML & CSS](https://edleed.com/course/course:-learn-html-with-codecademy-95453)  
3.	[Javascript](https://edleed.com/course/course:-learn-javascript-with-codecademy-78823)

### Develop career

After you realize what programming language you’d like to learn, you can develop your own portfolio to get your first job in IT. Codecademy’s career paths consist of online classes that are all beginner-friendly and effective at the same time. Also, it's possbile to take a free-trial to find out whether their learning method is for you. 

**Let’s see a few Career Paths program in Codecademy:**


1.	[Computer Scientist](https://edleed.com/course/career-path:-learn-computer-science-at-codecademy-78883)

![Screenshot 2022-09-27 at 17.52.59.png](https://edleed-search.s3.amazonaws.com/blog/blog/Screenshot%202022-09-27%20at%2017.52.59.png) 

**Overview:** No matter what your coding goals are, the best place to start is by building a strong foundation. Similar to a college course, this Path will teach you how to think and code like a professional. You’ll learn Computer Science fundamentals, build a professional portfolio, and prepare for an entry-level role in tech.

**For those who want to**

* Study Computer Science
* Problem-solve like a pro
* Start or advance in tech

**Includes:** Python, Command Line, Git, Data Structures, and more...

**Experience:** Beginners welcome

**Earn:** Certificate of Completion

**Duration:** 20 weeks

2.	[Front-End engineer](https://edleed.com/course/career-path:-learn-to-be-a-front-end-engineer-at-codecademy-145167)

![Screenshot 2022-09-27 at 17.50.36.png](https://edleed-search.s3.amazonaws.com/blog/blog/Screenshot%202022-09-27%20at%2017.50.36.png) 

**Overview:** Front-end engineers work closely with designers to make websites beautiful, functional, and fast. This Career Path will teach you not only the necessary languages and technologies, but how to think like a front-end engineer, too. By the end, you’ll have the portfolio and interview skills you need to start your new career.

**For those who want to**

* Build interactive web apps
* Learn design fundamentals
* Prepare for job interviews

**Includes:** HTML, CSS, JavaScript, Front-End, Web Apps, React, and more...

**Experience:** Beginners welcome

**Earn:** Certificate of Completion

**Duration:** 350 hours

3.	[Data Scientist. Machine Learning Specialist](https://edleed.com/course/career-path:-learn-to-be-a-data-scientist-at-codecademy-145169)

![Screenshot 2022-09-27 at 17.13.54.png](https://edleed-search.s3.amazonaws.com/blog/blog/Screenshot%202022-09-27%20at%2017.13.54.png) 

**Overview:** Companies are looking for data-driven decision makers, and this Career Path will teach you the skills you need to become just that. You’ll learn to analyze data, communicate your findings, draw predictions with machine learning, and even build neural networks. Along the way, you’ll build portfolio-worthy projects that will help you get job-ready.

**For those who want to**

* Leverage data to make predictions
* Answer questions with data at scale
* Maximize datasets to optimize algorithms

**Includes:** Python 3, SQL, pandas, scikit-learn, Matplotlib, TensorFlow, …and more

**Experience:** Beginners welcome

**Earn:** Certificate of Completion

**Duration:** 35 weeks

## Conclusion

Se, we’ve discussed the main courses and approaches that Codecademy implements. The choice is yours what to choose! By clicking this link you can see [all Codecademy courses](https://edleed.com/catalog/provider/Codecademy)  listed on EdLeed.

Let's see how Codecademy works and what people who already have completed their courses can say about it.

How Codecademy works + reviews [2022]

Data Structures in JavaScript - Master the Fundamentals

Overview

Goals

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Data Structures in JavaScript - Master the Fundamentals