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Javascript FAQ
What is Javascript
JavaScript is a high-level, interpreted programming language that is widely used for creating dynamic and interactive content on the web. Originally developed by Brendan Eich at Netscape in 1995, JavaScript has since become one of the core technologies of the World Wide Web, alongside HTML and CSS. Its flexibility, lightweight nature, and robust features make it a versatile language for both client-side and server-side development.
Key Features of JavaScript:
- Dynamic and Weakly Typed: Variables can hold different data types, and their types can change during runtime.
- Interpreted Language: JavaScript code executes directly without requiring a separate compilation step.
- Object-Oriented Programming: Supports object-oriented principles like inheritance and encapsulation.
- Event-Driven: Handles user interactions in real time.
- Cross-Platform: Works consistently across major browsers and platforms.
- Versatile Use Cases: Powers client-side and server-side development, mobile apps, and more.
How JavaScript Works:
- Client-Side: Manipulates HTML and CSS in the browser to create dynamic web pages.
- Server-Side: Used with platforms like Node.js for backend development.
Common Applications:
- Web Development: Interactive forms, animations, content updates.
- Mobile Apps: Hybrid frameworks like React Native use JavaScript.
- Server-Side Scripting: Building APIs and managing backend operations with Node.js.
- Game Development: Browser-based games using WebGL.
- Machine Learning: Libraries like TensorFlow.js for browser-based ML.
Benefits of JavaScript:
- Speeds up development.
- Widely supported with extensive community resources.
- Seamlessly integrates with HTML and CSS.
- Provides powerful libraries and frameworks (e.g., React, Angular, Vue.js).
Challenges:
- Security vulnerabilities if not handled carefully.
- Browser inconsistencies.
- Difficulty managing large codebases without modularization.
JavaScript Certifications Available in 2024
As of 2024, several certifications are available for JavaScript developers, catering to various skill levels and specializations. Below is a detailed summary of prominent JavaScript certifications:
1. JS Institute Certifications
- Certified Entry-Level JavaScript Programmer (JSE): This certification is designed for beginners, covering fundamental JavaScript concepts such as variables, data types, operators, control flow, and functions. The exam consists of 30 questions to be completed in 45 minutes, with a passing score of 70%. The certification is priced at $59 and is valid for a lifetime. Learn More
- Certified Associate JavaScript Programmer (JSA): Aimed at those with a foundational understanding of JavaScript, this certification delves into object-oriented programming, advanced functions, and built-in objects. The exam comprises 40 questions to be answered in 65 minutes, requiring a 70% passing score. It is priced at $295 and holds lifetime validity. Learn More
2. W3Schools Certified JavaScript Developer
Offered by W3Schools, this certification assesses proficiency in JavaScript fundamentals, user interactions, and API data processing. The exam includes 70 multiple-choice questions to be completed in 70 minutes, with a passing score of 75%. The certification is priced at $95 and is valid for a lifetime. Learn More
3. International JavaScript Institute Certified JavaScript Developer (CJSD)
This certification targets IT professionals and experienced JavaScript developers, evaluating advanced skills in JavaScript core principles, object-oriented programming, and client-side development for web applications. The exam consists of 70 questions to be completed in 90 minutes, with a passing score of 70%. It is priced at �79 and is valid for a lifetime. Learn More
4. Microsoft � Introduction to Programming Using JavaScript
This certification is intended for individuals who can recognize and create syntactically accurate JavaScript programs, utilize JavaScript data types, and write code to solve problems conceptually. Candidates should have at least 100 hours of JavaScript programming experience. The exam, coded 98-375, lasts 45 minutes and requires a passing score of 70.91%. It is priced at $127. Learn More
5. Certified Node.js Developer (JSNSD) by OpenJS Foundation
This certification validates a developer's expertise in creating Node.js applications, focusing on core concepts, asynchronous programming, and network applications. The hands-on, performance-based exam ensures proficiency in writing, deploying, and maintaining Node.js applications. It is priced at $300. Learn More
6. JavaScript Developer I by Salesforce
Designed for professionals developing front-end and back-end solutions using JavaScript within the Salesforce ecosystem, this certification focuses on core JavaScript fundamentals and Salesforce-specific standards. The exam assesses the ability to write efficient code, debug, and maintain JavaScript applications in Salesforce. It is priced at $200. Learn More
7. Front End Libraries Certification by freeCodeCamp
This certification is tailored for developers aiming to master front-end development tools, covering libraries and frameworks such as React, Redux, jQuery, and Bootstrap. Through interactive projects and challenges, candidates learn to create responsive web applications and manage application state. The certification is free and includes a comprehensive curriculum. Learn More
8. React Developer Professional Certificate by Meta (Facebook) through Coursera
This certification equips learners with skills to build dynamic, high-performing web applications using React. It covers essential topics, including components, JSX, props, state, and integration with third-party APIs. The course is available on Coursera. Learn More
Jobs That Use JavaScript
1. Front-End Developer
Responsibilities:
- Developing user interfaces using JavaScript, HTML, and CSS.
- Implementing interactive features, animations, and dynamic content.
- Optimizing web pages for maximum speed and scalability.
- Collaborating with designers to ensure a seamless user experience.
2. Back-End Developer
Responsibilities:
- Building server-side logic using JavaScript (e.g., Node.js).
- Developing APIs to support front-end functionality.
- Managing databases and ensuring data integrity.
- Optimizing server performance for high traffic.
3. Full-Stack Developer
Responsibilities:
- Working on both front-end and back-end development tasks.
- Building complete web applications and maintaining system architecture.
- Ensuring seamless integration between client-side and server-side components.
- Troubleshooting and debugging web applications.
4. UI/UX Designer
Responsibilities:
- Creating interactive prototypes using JavaScript frameworks (e.g., React).
- Implementing responsive designs that work across devices.
- Collaborating with developers to bring designs to life.
- Enhancing user experience through testing and feedback.
5. Mobile App Developer
Responsibilities:
- Developing cross-platform mobile applications using JavaScript (e.g., React Native).
- Integrating mobile apps with back-end services and APIs.
- Testing and debugging mobile applications for optimal performance.
- Keeping apps updated with the latest features and standards.
6. Game Developer
Responsibilities:
- Creating browser-based games using JavaScript frameworks (e.g., Phaser.js).
- Designing and implementing game mechanics and user interactions.
- Optimizing game performance for different devices and platforms.
- Collaborating with designers and artists to produce visually appealing games.
7. Web Application Developer
Responsibilities:
- Building dynamic and responsive web applications using JavaScript.
- Ensuring smooth functionality across various browsers and platforms.
- Implementing real-time features, such as chat or notifications.
- Maintaining and upgrading web applications regularly.
8. DevOps Engineer
Responsibilities:
- Automating development processes using JavaScript tools and frameworks.
- Building and maintaining CI/CD pipelines.
- Monitoring application performance and server health.
- Ensuring code quality through automated testing and deployment scripts.
We offer live-instructor group training classes for your team.
Upskill your team from the comfort of your office or online.
Benefits of Group Training Include:
- Experienced Professional Instructor Trains Your Team
- Content Focused On Your Team's Needs
- Convenient Scheduling and Class Setup
- Significant Per/Student Cost Savings
- Online, On-Site and Blended Options Available
Stamford Location FAQ
Stamford is an interesting place. Here is some information to help you learn more about Stamford
Below is a list of local libraries in the area that may also provide computer training near Stamford, Connecticut:
We offer live-instructor group training classes for your team.
Upskill your team from the comfort of your office or online.
Benefits of Group Training Include:
- Experienced Professional Instructor Trains Your Team
- Content Focused On Your Team's Needs
- Convenient Scheduling and Class Setup
- Significant Per/Student Cost Savings
- Online, On-Site and Blended Options Available
Available Javascript Live-Instructor Course Dates
Our instructor led training is a cost effective and convenient learning platform for busy professionals. Training is available at over 350 locations nationwide and Online.
The classes are taught via the RCI method by professionally certified instructors, and are usually limited to 12 or less students. Each student receives a training manual and practice problems, along with a free course retake. Click here to learn more about Instructor Led Training
Stamford, Connecticut Training Center Address:
Please Note: The Stamford training center is temporarily closed and not currently taking students, you can select a different location or register as a remote student. We apologize for any inconvenience.
Below is a list of upcoming Javascript Instructor Led Class Dates:
No class dates are currently scheduled. Please check back soon.
Learn Javascript from a Professional Instructor and take your skills to the next level
Business Computer Skills offers a variety of Javascript training classes in Stamford, CT. Get the professional training you need to take your Javascript skills to the next level.
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Testimonials
This was the class I needed.
The instructor Jeff took his time and made sure we understood each topic before moving to the next. He answered all of our questions, and I don't know about the rest of the students, but was very pleased with this experience.
I finally understand how to use Excel.
-Amanda T (Yale New Haven Hospital).
Great class!
We were able to cover a lot of information in one day without getting overwhelmed.
-Maria R (Microsoft).
Stamford, CT Location Details
We hold our Javascript instructor-led training classes for the Stamford area at the following location:
Please Note: The Stamford training center is temporarily closed, please check back soon. Students can attend classes at an alternate location, or as a Remote Student
This location also serves the following areas around Stamford, Connecticut: Armonk, Bayville, Bedford, Bedford Hills, Centerport, Chappaqua, Cold Spring Harbor, Cos Cob, Darien, Elmsford, Georgetown, Glen Cove, Greens Farms, Greenwich, Harrison, Hartsdale, Hawthorne, Huntington, Larchmont, Locust Valley, Mamaroneck, Mill Neck, Mo
Additional Javascript javascriptTraining Locations in Connecticut
Below is a list of local libraries in the area that may also provide Javascript training near Stamford, Connecticut:
