JavaScript Interview Challenges from Coursera

Your essential tech interview preparation pack! Practice solving problems and honing the skills you need to succeed in a frontend coding interview.

Are you applying for frontend developer roles?

Do you wish to test out your JavaScript knowledge?

Do you love solving code challenges?

If any of the above applies to you, JavaScript Interview Challenges should be your next Scrimba course!

This bumper pack of challenges provides you with 30 code questions similar to those which are commonly used in technical interviews, plus solutions suggested by an industry professional.

Through solving the challenges, you’ll practice strings and string methods, arrays and array methods, working with data and APIs, and “classic” interview challenges such as reversing a string, finding anagrams and, of course, Fizzbuzz!

You’ll also hone your skills in writing and reading pseudo code, maximizing your use of built-in methods, performing effective code research, and using console.logs effectively to debug.

With the suggested solutions on hand to help you to optimize your code and assist if you have difficulty, JavaScript Interview Challenges will give you the knowledge and experience you need to walk into your next tech interview with confidence!

You won’t find yourself stuck during this course as teacher Treasure provides a solution to each challenge. If any of the questions catch you out, you can study the solutions and then try again.

You can even use JavaScript Interview Challenges to practice solving problems out loud, a skill critical to success in interviews and your tech career!

No plans to interview soon? You can also use this course to review and build your coding knowledge, brush up your skills if you’re feeling a little rusty, or even solve code problems for fun! This is your course, to use however you see fit.

In summary, this is the ideal course for any JavaScript learner, whether they plan to interview soon, want to learn some handy code optimizations, or just love cracking code challenges.

What's inside

Syllabus

JavaScript Interview Challenges

Your essential tech interview preparation pack! Practice solving problems and honing the skills you need to succeed in a frontend coding interview.

Good to know

Know what's good

, what to watch for

, and possible dealbreakers

Deepens knowledge of JavaScript and programming principles, sharpening core skills and developing professional expertise

Ideal for JavaScript learners interested in honing their skills and improving their interview performance

Provides 30 code challenges to practice solving problems and gaining confidence in JavaScript coding interviews

Covers essential JavaScript concepts such as strings, arrays, data manipulation, and classic interview challenges

Offers solutions to each challenge, facilitating optimal code optimization and support when encountering difficulties

Enhances JavaScript debugging skills through effective use of console.logs

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 Challenges with these activities:

Create a resource repository for JavaScript

Show steps

Organize and compile your notes, assignments, and additional resources into a central repository for easy access and review.

Browse courses on JavaScript

Show steps

Gather all relevant materials from the course
Organize the materials into logical categories
Use a digital or physical notebook or binder
Add additional resources, such as online tutorials or articles
Regularly review and update your repository

Participate in a JavaScript study group

Show steps

Engage with other learners by joining a study group to discuss concepts, solve problems, and provide mutual support.

Browse courses on JavaScript

Show steps

Find a study group or organize your own
Set regular meeting times and stick to them
Prepare for each session by reviewing the materials
Actively participate in discussions and ask questions
Be respectful of others and offer support

Complete online JavaScript tutorials

Show steps

Supplement your learning by completing online tutorials that cover specific JavaScript concepts or techniques.

Browse courses on JavaScript

Show steps

Identify areas where you need additional support
Find reputable online tutorials or courses
Follow the tutorials step-by-step
Practice implementing the concepts in your own projects
Seek help from online forums or mentors if needed

Four other activities

Expand to see all activities and additional details

Show all seven activities

Solve JavaScript coding problems

Show steps

Regularly practice solving coding problems to improve your problem-solving skills and JavaScript knowledge.

Browse courses on Problem-Solving

Show steps

Find online coding platforms or resources
Choose a problem and analyze the requirements
Develop a solution using JavaScript
Test and debug your solution
Review your solution and identify areas for improvement

Build a basic responsive frontend

Show steps

Create a personal website or portfolio that demonstrates your frontend development skills.

Browse courses on FrontEnd Development

Show steps

Gather requirements and design a prototype
Implement the front-end using HTML5 and CSS3
Add interactivity using JavaScript
Test and debug the application
Deploy the website or application

Contribute to open-source JavaScript projects

Show steps

Gain practical experience and contribute to the JavaScript community by participating in open-source projects.

Browse courses on JavaScript

Show steps

Identify open-source projects that align with your interests
Review the project documentation and codebase
Find an issue or feature to work on
Create a pull request with your proposed changes
Collaborate with other contributors to refine your solution

Mentor junior JavaScript developers

Show steps

Share your JavaScript knowledge and experience by mentoring junior developers, providing guidance and support.

Browse courses on JavaScript

Show steps

Reach out to junior developers or participate in mentorship programs
Establish clear goals and expectations
Provide regular feedback and guidance
Encourage your mentee to ask questions and seek help
Celebrate your mentee's progress and achievements

Career center

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

Full-Stack Developer

Full-Stack Developers are responsible for the design, development and maintenance of both the front-end and back-end of a website or application. JavaScript Interview Challenges will provide you with the skills and knowledge you need to succeed in this role, such as a strong understanding of HTML, CSS, JavaScript, and server-side technologies. Additionally, the course will help you develop your problem-solving, debugging, and communication skills, all of which are essential for success in this field.

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

Front-End Developer

Front-End Developers are responsible for the design and development of the user interface of a website or application. JavaScript Interview Challenges will provide you with the skills and knowledge you need to succeed in this role, such as a strong understanding of HTML, CSS, and JavaScript. Additionally, the course will help you develop your design thinking and problem-solving skills, which are essential for creating user interfaces that are both visually appealing and functional.

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

Web Developer

Web Developers are responsible for the design, development and maintenance of websites. JavaScript Interview Challenges will provide you with the skills and knowledge you need to succeed in this role, such as a strong understanding of HTML, CSS, JavaScript, and server-side technologies. Additionally, the course will help you develop your problem-solving, debugging, and communication skills, all of which are essential for success in this field.

See salaries and explore the career path for Web Developer

Software Engineer

Software Engineers are responsible for the design, development and maintenance of software systems. JavaScript Interview Challenges will provide you with the knowledge and skills you need to succeed in a frontend software engineering role, such as a proficiency in JavaScript and front-end technologies. Additionally, the course will help you develop your problem-solving, debugging, and communication skills, all of which are essential for success in this field.

See salaries and explore the career path for Software Engineer

Software Architect

Software Architects are responsible for the design and architecture of software systems. JavaScript Interview Challenges may be helpful for this role as the course will help you develop your problem-solving, debugging, and communication skills, all of which are essential for success in this role.

See salaries and explore the career path for Software Architect

Technical Lead

Technical Leads are responsible for leading and managing a team of software engineers. JavaScript Interview Challenges may be helpful for this role as the course will help you develop your problem-solving, debugging, and communication skills, all of which are essential for success in this role.

See salaries and explore the career path for Technical Lead

Cybersecurity Analyst

Cybersecurity Analysts are responsible for protecting computer networks and systems from cyber attacks. JavaScript Interview Challenges may be helpful for this role as the course will help you develop your problem-solving, debugging, and communication skills, all of which are essential for success in this role.

See salaries and explore the career path for Cybersecurity Analyst

Quality Assurance Analyst

Quality Assurance Analysts are responsible for testing and evaluating software products to ensure that they meet quality standards. JavaScript Interview Challenges may be helpful for this role as the course will help you develop your problem-solving, debugging, and communication skills, all of which are essential for success in this role.

See salaries and explore the career path for Quality Assurance Analyst

Technical Support Specialist

Technical Support Specialists are responsible for providing technical support to users of software and hardware products. JavaScript Interview Challenges may be helpful for this role as the course will help you develop your problem-solving, debugging, and communication skills, all of which are essential for success in this role.

See salaries and explore the career path for Technical Support Specialist

Product Manager

Product Managers are responsible for the planning, development, and launch of new products. JavaScript Interview Challenges may be helpful for this role as the course will help you develop your problem-solving, debugging, and communication skills, all of which are essential for success in this role.

See salaries and explore the career path for Product Manager

Data Scientist

Data Scientists are responsible for the collection, analysis, and interpretation of data. JavaScript Interview Challenges may be helpful for this role as the course will help you develop your problem-solving, debugging, and communication skills, all of which are essential for success in this role.

See salaries and explore the career path for Data Scientist

Business Analyst

Business Analysts are responsible for the analysis of business needs and the development of solutions to meet those needs. JavaScript Interview Challenges may be helpful for this role as the course will help you develop your problem-solving, debugging, and communication skills, all of which are essential for success in this role.

See salaries and explore the career path for Business Analyst

Data Analyst

Data Analysts are responsible for the collection, analysis, and interpretation of data. JavaScript Interview Challenges may be helpful for this role as the course will help you develop your problem-solving, debugging, and communication skills, all of which are essential for success in this role.

See salaries and explore the career path for Data Analyst

Project Manager

Project Managers are responsible for the planning, execution, and delivery of projects. JavaScript Interview Challenges may be helpful for this role as the course will help you develop your problem-solving, debugging, and communication skills, all of which are essential for success in this role.

See salaries and explore the career path for Project Manager

Technical Writer

Technical Writers are responsible for the creation of technical documentation, such as user manuals, white papers, and training materials. JavaScript Interview Challenges may be helpful for this role as the course will help you develop your writing and communication skills, both of which are essential for success in this role.

See salaries and explore the career path for Technical Writer