JavaScript Interview Prep: Practice Problems from Udemy

This course is great preparation for any javascript programming interviews that you may have coming up. Programming interviews have a reputation of being stressful, but the best way to prepare for interviews is to practice, practice, practice. In this course you will complete more than 30 javascript interview questions that come from actual javascript interviews. We will go over how to approach the problems, then you will attempt to solve each problem, and then we will walk through the best solutions to each problem step-by-step. We will take a deep dive into the skills, concepts, and techniques that are required to solve each problem.

When you have completed this course you will have mastered the 30+ interview questions that we will cover, but you will also have learned the concepts, skills, and techniques, that are necessary for you to excel in any other interview questions you may be asked. You will feel very confident going into any javascript programming interviews you will have. On top of all this, you will strengthen your javascript programming skills and javascript fundamentals in overall.

What's inside

Learning objectives

Be very well prepared for any javascript programming interviews you will have
Learn the skills, concepts, and techniques necessary to excel in javascript coding interviews
Excel in a wide variety of javascript interview questions that you could be asked in an interview

Learn what programming interviews are like and what kind of questions to expect
Strengthen you javascript programming skills and your knowledge of important javascript concepts
Feel very confident going into any javascript programming interviews you will have

Be very well prepared for any javascript programming interviews you will have
Learn the skills, concepts, and techniques necessary to excel in javascript coding interviews
Excel in a wide variety of javascript interview questions that you could be asked in an interview
Learn what programming interviews are like and what kind of questions to expect
Strengthen you javascript programming skills and your knowledge of important javascript concepts
Feel very confident going into any javascript programming interviews you will have

Syllabus

Introduction & Course Layout

Course Layout

How To Get The Most Out Of This Course

Triple Add Function

Triple Add - Question Video

Triple Add - Question Source Code

Triple Add - Solution Video

Triple Add - Solution Source Code

Working With IIFEs

Working With IIFEs - Question

Working With IIFEs - Solution

Working With IIFEs - Solution Source Code

Button 5

Button 5 - Question

Button 5 - Question Source Code

Button 5 - Solution Part 1

Button 5 - Solution Part 2

Button 5 - Solution Part 3

Button 5 - Solution Source Code

Closures

Closures - Question

Closures - Solution

Closures - Solution Source Code

"this" Keyword

"this" Keyword - Question

"this" Keyword - Solution

"this" Keyword - Solution Source Code

Hoisting in JavaScript

Hoisting - Question

Hoisting - Answer Part 1

Hoisting - Answer Part 1 Source Code

Hoisting - Answer Part 2

Hoisting - Answer Part 2 Source Code

Scope and "self"

Scope and "self" - Question

Scope and "self" - Question Source Code

Scope and "self" - Solution

Scope and "self" - Solution Source Code

Equals vs Strict Equals

Equals vs Strict Equals - Question

Equals vs Strict Equals - Solution

Equals vs Strict Equals - Solution Source Code

Log Number Function

Log Number Function - Question

Log Number Function - Question Source Code

Log Number Function - Solution

Log Number Function - Solution Source Code

Use Strict

Use Strict - Question

Use Strict - Solution

Use Strict - Solution Source Code

Curry Function

Curry Function - Question

Curry Function - Question Source Code

Curry Function - Solution

Curry Function - Solution Source Code

Counter Function

Counter Function - Question

Counter Function - Solution

Counter Function - Solution Source Code

Logging X and Y

Logging X and Y - Question

Logging X and Y - Question Source Code

Logging X and Y - Solution

Logging X and Y - Solution Source Code

"call" and "apply" Methods

"call" and "apply" Methods - Question

"call" and "apply" Methods - Solution Part 1

"call" and "apply" Methods - Solution Part 2

"call" and "apply" Methods - Solution Source Code

Determine "list2"

Determine "list2" - Question Part 1

Determine "list2" - Question Part 1 Source Code

Determine "list2" - Solution Part 1

Determine "list2" - Question Part 2

Determine "list2" - Solution Part 2

Determine "list2" - Solution Part 2 Source Code

Singly or Doubly Invoked Function

Singly or Doubly Invoked Function - Question

Singly or Doubly Invoked Function - Question Source Code

Singly or Doubly Invoked Function - Solution

Singly or Doubly Invoked Function - Solution Source Code

JSON Data

JSON Data - Question

JSON Data - Question Source Code

JSON Data - Solution

JSON Data - Solution Source Code

Order Logged Out

Order Logged Out - Question

Order Logged Out - Question Source Code

Order Logged Out - Solution

Order Logged Out - Solution Source Code

Making an Object

Making an Object - Question

Making an Object - Solution

Making an Object - Solution Source Code

Constructor Functions

Type of Data Types

Type of Data Types - Question

Type of Data Types - Question Source Code

Good to know

Know what's good

, what to watch for

, and possible dealbreakers

Become well-prepared for any upcoming Javascript programming interviews

Grasp crucial skills, concepts, and techniques to excel in Javascript coding interviews

Gain expertise in diverse Javascript interview questions you might encounter

Deepen understanding of Javascript programming skills and critical Javascript concepts

Develop confidence for future Javascript programming interviews

Practice solving over 30 Javascript interview questions derived from real interviews

Reviews summary

Javascript interview practice

According to students, JavaScript Interview Prep: Practice Problems is a helpful review for interview questions. It covers terminology like hoisting and IIFE, and is seen as complementary to other interview preparation courses that cover deeper algorithm-based questions.

Suitable for screening/phone interviews.

"In my experience these types of questions are usually asked in a screening / phone interview, whereas deeper algorithms based questions would be asked in a live interview."

Good for brushing up on terminology for interviews.

"Nice course for review of javascript-specific gotcha's that might be asked in an interview."

"It will also help you brush up on terminology like "hoisting" and "IIFE"."

Activities

Be better prepared before your course. Deepen your understanding during and after it. Supplement your coursework and achieve mastery of the topics covered in JavaScript Interview Prep: Practice Problems with these activities:

Organize and Review Course Materials

Show steps

Organize your notes, assignments, quizzes, and exams to improve your understanding and retention of the course materials.

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Gather all of your course materials.
Organize the materials into a logical structure.
Review the materials regularly to reinforce your learning.

Review JavaScript Fundamentals

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Review the fundamental concepts of JavaScript to strengthen your understanding before starting the course.

Browse courses on JavaScript Fundamentals

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Read through the course materials on JavaScript fundamentals.
Complete any practice problems or exercises related to the fundamentals.

Read 'JavaScript: The Good Parts'

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Supplement your learning by reading a highly-regarded book on JavaScript to gain deeper insights and best practices.

View A Million And One Random Digits on Amazon

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Obtain a copy of the book.
Read through the book and take notes on key concepts and techniques.

Five other activities

Expand to see all activities and additional details

Show all eight activities

Complete Additional JavaScript Tutorials

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Supplement your learning by completing additional JavaScript tutorials to reinforce the concepts covered in the course.

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Identify areas where you need additional support.
Search for and find relevant tutorials.
Complete the tutorials and take notes on any new concepts or techniques.

Practice JavaScript Coding Problems

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Practice solving JavaScript coding problems to improve your understanding of the concepts and techniques covered in the course.

Show steps

Review the course materials on JavaScript coding problems.
Attempt to solve the practice problems on your own.
Check your solutions against the provided solutions.
Repeat steps 2-3 until you can consistently solve the problems correctly.

Join a JavaScript Study Group

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Engage with other students in a study group to discuss concepts, solve problems, and learn from each other.

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Find or create a JavaScript study group.
Participate in regular study sessions.
Contribute to the group discussions and activities.

Contribute to an Open-Source JavaScript Project

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Contribute to an open-source JavaScript project to gain practical experience and improve your understanding of real-world JavaScript development.

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Identify a suitable open-source JavaScript project.
Familiarize yourself with the project's codebase and documentation.
Identify an issue or feature to work on.
Implement your changes and submit a pull request.
Review feedback and make necessary revisions.

Create a JavaScript Project

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Build a small JavaScript project to apply the concepts and techniques you've learned in the course.

Show steps

Brainstorm and choose a project idea.
Plan and design the project.
Implement the project code.
Test and debug the project.
Document the project and share it with others.

Career center

Learners who complete JavaScript Interview Prep: Practice Problems will develop knowledge and skills that may be useful to these careers:

Software Engineer

Software Engineers design, develop, and test software applications. They work in a variety of industries, including technology, finance, and healthcare. This course will help you develop the skills you need to succeed as a Software Engineer by teaching you the fundamentals of JavaScript, a popular programming language used to create web and mobile applications. You will also learn how to solve common JavaScript coding interview questions, which will give you an edge when interviewing for Software Engineer positions.

See salaries and explore the career path for Software Engineer

Web Developer

Web Developers design and develop websites and web applications. They work with a variety of technologies, including HTML, CSS, JavaScript, and PHP. This course will help you develop the skills you need to succeed as a Web Developer by teaching you the fundamentals of JavaScript, as well as how to solve common JavaScript coding interview questions.

See salaries and explore the career path for Web Developer

Front-End Developer

Front-End Developers are responsible for designing and developing the user interface of websites and web applications. They work with HTML, CSS, and JavaScript to create websites that are both visually appealing and functional. This course will help you develop the skills you need to succeed as a Front-End Developer by teaching you the fundamentals of JavaScript, as well as how to solve common JavaScript coding interview questions.

See salaries and explore the career path for Front-End Developer

Back-End Developer

Back-End Developers are responsible for designing and developing the server-side of websites and web applications. They work with a variety of technologies, including PHP, Java, and Python. This course will help you develop the skills you need to succeed as a Back-End Developer by teaching you the fundamentals of JavaScript, as well as how to solve common JavaScript coding interview questions.

See salaries and explore the career path for Back-End Developer

Full-Stack Developer

Full-Stack Developers are responsible for designing and developing both the front-end and back-end of websites and web applications. They work with a variety of technologies, including HTML, CSS, JavaScript, PHP, Java, and Python. This course will help you develop the skills you need to succeed as a Full-Stack Developer by teaching you the fundamentals of JavaScript, as well as how to solve common JavaScript coding interview questions.

See salaries and explore the career path for Full-Stack Developer

Data Scientist

Data Scientists use data to solve business problems. They work with a variety of technologies, including Python, R, and SQL. This course will help you develop the skills you need to succeed as a Data Scientist by teaching you the fundamentals of JavaScript, a popular programming language used for data analysis and visualization.

See salaries and explore the career path for Data Scientist

Machine Learning Engineer

Machine Learning Engineers design and develop machine learning models. They work with a variety of technologies, including Python, R, and TensorFlow. This course will help you develop the skills you need to succeed as a Machine Learning Engineer by teaching you the fundamentals of JavaScript, a popular programming language used for machine learning.

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Artificial Intelligence Engineer

Artificial Intelligence Engineers design and develop artificial intelligence systems. They work with a variety of technologies, including Python, R, and TensorFlow. This course will help you develop the skills you need to succeed as an Artificial Intelligence Engineer by teaching you the fundamentals of JavaScript, a popular programming language used for artificial intelligence.

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Computer Scientist

Computer Scientists conduct research in the field of computer science. They work with a variety of technologies, including programming languages, algorithms, and data structures. This course will help you develop the skills you need to succeed as a Computer Scientist by teaching you the fundamentals of JavaScript, a popular programming language used for computer science research.

See salaries and explore the career path for Computer Scientist

Software Architect

Software Architects design and develop software architectures. They work with a variety of technologies, including programming languages, databases, and cloud computing. This course will help you develop the skills you need to succeed as a Software Architect by teaching you the fundamentals of JavaScript, a popular programming language used for software architecture.

See salaries and explore the career path for Software Architect

Technical Writer

Technical Writers create documentation for software and hardware products. They work with a variety of technologies, including programming languages, databases, and cloud computing. This course will help you develop the skills you need to succeed as a Technical Writer by teaching you the fundamentals of JavaScript, a popular programming language used for software and hardware documentation.

See salaries and explore the career path for Technical Writer

Project Manager

Project Managers plan, execute, and close projects. They work with a variety of stakeholders, including clients, developers, and team members. This course will help you develop the skills you need to succeed as a Project Manager by teaching you the fundamentals of JavaScript, a popular programming language used for project management.

See salaries and explore the career path for Project Manager

Business Analyst

Business Analysts analyze business needs and develop solutions to improve business processes. They work with a variety of stakeholders, including clients, executives, and team members. This course will help you develop the skills you need to succeed as a Business Analyst by teaching you the fundamentals of JavaScript, a popular programming language used for business analysis.

See salaries and explore the career path for Business Analyst

Salesforce Developer

Salesforce Developers design and develop Salesforce applications. They work with a variety of technologies, including Apex, Visualforce, and Lightning. This course will help you develop the skills you need to succeed as a Salesforce Developer by teaching you the fundamentals of JavaScript, a popular programming language used for Salesforce development.

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UX Designer

UX Designers create user interfaces for websites and web applications. They work with a variety of technologies, including HTML, CSS, JavaScript, and user research. This course may help you develop some of the skills you need to succeed as a UX Designer by teaching you the fundamentals of JavaScript.

See salaries and explore the career path for UX Designer