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Stanimira Vlaeva

In this 1-hour long project-based course, you will learn how to transform and search in arrays, how to use the map, filter and reduce methods and much more!

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In this 1-hour long project-based course, you will learn how to transform and search in arrays, how to use the map, filter and reduce methods and much more!

This course is for beginners. A basic understanding of JavaScript (variables) or another programming language is required.

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What's inside

Syllabus

Project Overview
In this 1-hour long project-based course, you will learn how to transform and search in arrays, how to use the map, filter and reduce methods and much more! This course is for beginners. A basic understanding of JavaScript (variables) or another programming language is required.

Good to know

Know what's good
, what to watch for
, and possible dealbreakers
Introduces useful methods, which are important for data transformation
Suitable for beginners, as it requires only basic JavaScript understanding
Covers an array of topics related to array manipulation in JavaScript

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Reviews summary

Js array methods (21)

According to students, this course is informative, engaging, and challenging. Learners caution that the instructor's spoken English is difficult to understand and that mistakes may be present in lecture content.
The coding assignments are engaging.
"I would have preferred the code being provided to me and perhaps more explanation given for each method."
This course provides informative lectures.
"This is very helpful."
Errors in the lecture material can be frustrating.
"Instructions not clear. Mistakes including prime numbers that are even numbers etc"
Instructor's spoken English is hard to understand.
"Instructors spoken English difficult to understand"
This course covers challenging content.
"Arrays are definitely one of the more challenging aspects of JS code"

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 Learn Javascript - 21 Essential Array Methods with these activities:
Review Arrays and Methods
Reinforce your basic understanding of JavaScript arrays and methods to prepare for more advanced topics.
Browse courses on Arrays
Show steps
  • Go over your notes or review online resources on arrays and methods.
  • Practice using arrays and methods in a simple coding exercise.
Host a Study Group on Array Manipulation
Enhance your understanding by discussing and solving array manipulation problems with peers.
Show steps
  • Gather a group of classmates or fellow learners.
  • Select array manipulation topics to cover.
  • Facilitate the study group by presenting problems, leading discussions, and providing guidance.
  • Take turns presenting and solving problems to strengthen understanding.
Array Transformation Drills
Strengthen your understanding of array transformation methods by completing practice exercises.
Show steps
  • Find online coding challenges or exercises that focus on transforming arrays.
  • Attempt to solve the challenges on your own, referring to course materials or documentation when needed.
  • Review your solutions and identify areas for improvement.
Four other activities
Expand to see all activities and additional details
Show all seven activities
Attend a JavaScript Array Workshop
Deepen your knowledge of JavaScript arrays by attending a workshop led by an expert.
Show steps
  • Research and find a reputable workshop on JavaScript arrays.
  • Register and attend the workshop.
  • Actively participate in the workshop and take notes.
  • Follow up after the workshop by practicing what you learned.
Build a Data Visualization using Arrays
Apply your knowledge of arrays by creating an interactive data visualization that leverages array manipulation techniques.
Show steps
  • Choose a dataset and decide on the type of data visualization you want to create.
  • Gather the necessary data and store it in an array.
  • Use JavaScript libraries or frameworks to create the data visualization.
  • Present your data visualization and explain the array manipulation techniques you employed.
Participate in a Coding Competition on Array Manipulation
Challenge yourself and showcase your skills by participating in a coding competition focused on array manipulation techniques.
Show steps
  • Find and register for a coding competition that emphasizes array manipulation.
  • Prepare for the competition by practicing array manipulation problems.
  • Participate in the competition and strive to solve as many array manipulation problems as possible.
  • Reflect on your performance and identify areas for improvement in your array manipulation skills.
Contribute to an Open-Source Project on Array Manipulation
Gain practical experience and contribute to the community by working on an open-source project related to array manipulation.
Show steps
  • Find an open-source project that focuses on array manipulation and is actively seeking contributors.
  • Review the project's documentation and familiarize yourself with its codebase.
  • Identify areas where you can contribute your skills and make meaningful changes.
  • Submit your contributions for review and merge.

Career center

Learners who complete Learn Javascript - 21 Essential Array Methods will develop knowledge and skills that may be useful to these careers:
Web Developer
If you are a natural problem-solver, you will find the Web Developer role rewarding. You will use your skills to create and maintain websites, ensuring they are user-friendly, efficient, and engaging. The JavaScript array methods you will learn from this course are essential for manipulating and processing data on web pages, and will be invaluable in your success as a Web Developer.
Front-End Developer
Front-End Developers are responsible for the user-facing side of websites and applications. You will use your skills to create visually appealing and interactive interfaces. This course will be useful as you learn how to use JavaScript array methods to manipulate and style web page elements, which is essential for building dynamic and responsive front-ends.
Software Engineer
In the role of a Software Engineer, you will find yourself tasked with designing, developing, and maintaining software programs. This course will be useful as you learn the essential array methods in JavaScript, which is a fundamental programming language for web development. The knowledge and skills you gain from this course will help you build a foundation for a successful career in software engineering.
Data Analyst
Data Analysts play a critical role in making sense of large and complex datasets. You will use your skills to extract meaningful insights from data, which can help businesses make better decisions. This course will be useful as you learn how to use the map, filter, and reduce methods to manipulate and transform data in JavaScript, which is a widely used language for data analysis.
Quality Assurance (QA) Analyst
Quality Assurance (QA) Analysts play a vital role in ensuring the quality of software products. You will use your skills to test and evaluate software, ensuring it meets the desired requirements. This course may be useful as you learn how to use JavaScript array methods to automate testing tasks, which can help you improve the efficiency and effectiveness of your QA processes.
User Experience (UX) Designer
User Experience (UX) Designers focus on creating user-centered experiences for websites and applications. You will use your skills to understand user needs and design interfaces that are easy to use and navigate. This course may be useful as you learn how to use JavaScript array methods to create interactive prototypes and mockups, which can help you communicate your design ideas more effectively.
Database Administrator
Database Administrators are responsible for managing and maintaining databases. You will use your skills to ensure the integrity and availability of data, while also optimizing performance. This course may be useful as you learn how to use JavaScript array methods to manipulate and query data in databases, which can help you automate tasks and improve database efficiency.
Technical Writer
Technical Writers are responsible for creating and maintaining technical documentation. You will use your skills to translate complex technical information into clear and concise language. This course may be useful as you learn how to use JavaScript array methods to organize and structure technical content, which can help you create more effective and user-friendly documentation.
Product Manager
Product Managers are responsible for planning and managing the development and launch of new products. You will use your skills to understand customer needs and translate them into product requirements. This course may be useful as you learn how to use JavaScript array methods to prioritize and manage product features, which can help you build better products that meet the needs of your customers.
Business Analyst
Business Analysts are responsible for analyzing business needs and recommending solutions. You will use your skills to understand business processes and identify areas for improvement. This course may be useful as you learn how to use JavaScript array methods to analyze and visualize data, which can help you make better recommendations and improve business outcomes.
Project Manager
Project Managers are responsible for planning, executing, and closing projects. You will use your skills to coordinate teams and resources to achieve project goals. This course may be useful as you learn how to use JavaScript array methods to manage project tasks and timelines, which can help you improve project efficiency and success rates.
Salesforce Developer
Salesforce Developers are responsible for developing and maintaining Salesforce applications. You will use your skills to create custom solutions that meet the specific needs of businesses. This course may be useful as you learn how to use JavaScript array methods to manipulate and display data in Salesforce applications, which can help you build more effective and user-friendly solutions.
Data Scientist
Data Scientists are responsible for extracting insights from data. You will use your skills to develop and apply machine learning models to solve business problems. This course may be useful as you learn how to use JavaScript array methods to prepare and analyze data, which can help you build more accurate and effective machine learning models.
Machine Learning Engineer
Machine Learning Engineers are responsible for building and deploying machine learning models. You will use your skills to design, implement, and maintain machine learning systems. This course may be useful as you learn how to use JavaScript array methods to manipulate and prepare data for machine learning models, which can help you build more efficient and scalable machine learning systems.
Data Engineer
Data Engineers are responsible for building and maintaining data pipelines. You will use your skills to collect, transform, and store data. This course may be useful as you learn how to use JavaScript array methods to manipulate and process data, which can help you build more efficient and reliable data pipelines.

Reading list

We've selected 11 books that we think will supplement your learning. Use these to develop background knowledge, enrich your coursework, and gain a deeper understanding of the topics covered in Learn Javascript - 21 Essential Array Methods.
Provides a comprehensive overview of JavaScript, including the basics of the language, as well as more advanced concepts such as object-oriented programming and functional programming. It valuable resource for both beginners and experienced JavaScript developers.
Comprehensive reference guide to JavaScript. It covers all aspects of the language, from the basics to the most advanced topics. It valuable resource for both beginners and experienced JavaScript developers.
Comprehensive reference guide to JavaScript. It covers all aspects of the language, from the basics to the most advanced topics. It valuable resource for both beginners and experienced JavaScript developers.
Series provides a deep dive into the internals of JavaScript. It valuable resource for experienced JavaScript developers who want to gain a better understanding of how the language works.
Provides a comprehensive overview of algorithms and data structures in JavaScript. It valuable resource for both beginners and experienced JavaScript developers who want to improve their coding skills.
Focuses on the essential parts of JavaScript, and provides clear and concise explanations of the language's core concepts. It great resource for beginners who want to learn the fundamentals of JavaScript.
Provides a collection of reusable design patterns for JavaScript. It valuable resource for experienced JavaScript developers who want to improve their code quality and maintainability.
Provides a practical introduction to functional programming in JavaScript. It valuable resource for JavaScript developers who want to learn how to write more concise, elegant, and maintainable code.
Fast-paced introduction to JavaScript for experienced programmers. It covers the basics of the language, as well as more advanced topics such as functional programming and asynchronous programming.
Beginner-friendly introduction to JavaScript. It uses a visual and interactive approach to teaching the language, and great resource for those who want to learn JavaScript in a fun and engaging way.
Beginner-friendly introduction to JavaScript for kids. It uses a fun and engaging approach to teaching the language, and great resource for kids who want to learn JavaScript in a fun and accessible way.

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