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Javascript is a programming language used to create interactive web pages and applications. It is frequently used in web development and web applications, allowing websites to be more interactive and dynamic. Javascript is a powerful and versatile language and can be used to create a wide variety of applications. If you’re interested in learning more about Javascript, there are many great resources online. There are also many online forums and communities that can provide support and help with any issues you may encounter.

Read: Skills required in javascript

Top 10 Online JavaScript Courses

•       Codecademy’s JavaScript Course 
•       FreeCodeCamp’s JavaScript Course
•       Udemy’s JavaScript Course 
•       The Complete JavaScript Course by Jonas Schmedtmann – 
•       JavaScript Essential Training by Morten Rand-Hendriksen – 
•       JavaScript 30 by Wes Bos 
•       Eloquent JavaScript by Marijn Haverbeke 
•       JavaScript and JQuery by Jon Duckett 
•       You Don’t Know JS by Kyle Simpson
•       Understanding ECMAScript 6 by Nicholas C. Zakas  

Free javascript courses

There are a number of great free online resources to learn JavaScript. Here are some options :

•       Codecademy – https://www.codecademy.com/learn/introduction-to-javascript
•       JavaScript.info – https://javascript.info/
•       FreeCodeCamp – https://www.freecodecamp.org/learn/javascript-algorithms-and-data-structures/ 
•       JavaScript for Cats – http://jsforcats.com/ 
•       Udemy – https://www.udemy.com/courses/development/javascript/ 

Read about: Javascript scope

JavaScript Syllabus    

Here is a comprehensive JavaScript syllabus that covers the basics to advanced topics of the language:

I. Introduction to JavaScript

•       History and evolution of JavaScript
•       Understanding the role of JavaScript in web development
•       Setting up a development environment
•       Introduction to syntax, variables, data types, and operators

II. JavaScript Fundamentals

•       Conditional statements and loops
•       Functions and closures
•       Arrays and array methods
•       Objects and object-oriented programming in JavaScript

III. JavaScript DOM and BOM

•       Understanding the Document Object Model (DOM)
•       Manipulating HTML elements using JavaScript
•       Understanding the Browser Object Model (BOM)
•       Working with browser windows and locations

IV. JavaScript Event Handling

•       Understanding events and event bubbling
•       Event handling in JavaScript
•       Using event listeners

V. JavaScript and jQuery

•       Introduction to jQuery
•       Selecting and manipulating elements using jQuery
•       jQuery effects and animations
•       Creating and handling events with jQuery

VI. JavaScript and AJAX

•       Understanding Asynchronous JavaScript and XML (AJAX)
•       Making asynchronous requests using JavaScript and jQuery
•       Updating page content using AJAX

VII. Advanced JavaScript

•       Error handling and debugging in JavaScript
•       Regular expressions and pattern matching
•       Understanding prototypes and inheritance in JavaScript
•       Modules and Namespaces in JavaScript

VIII. JavaScript Frameworks and Libraries

•       Introduction to popular JavaScript frameworks and libraries such as Angular, React, and Vue
•       Understanding the concepts and benefits of using frameworks and libraries

IX. JavaScript Best Practices and Tips

•       Coding conventions and style guides for JavaScript
•       Writing maintainable and scalable code
•       Common performance optimization techniques in JavaScript

This syllabus can be tailored to suit specific learning goals and time constraints. It is important to have a solid understanding of HTML and CSS before diving into JavaScript as it is a client-side scripting language used in web development.

Technical Skills Required to be a JavaScript Developer

Here are some of the technical skills that are required for a JavaScript developer:

•       Fundamentals of JavaScript: A solid understanding of the basics of JavaScript, including variables, data types, operators, loops, conditional statements, functions, objects, and arrays.

•       Document Object Model (DOM): Knowledge of how to manipulate HTML elements using JavaScript and understanding of the DOM and how it works.

•       Asynchronous programming: Understanding of asynchronous programming concepts, AJAX, and how to make asynchronous requests using JavaScript.

•       jQuery: Knowledge of the jQuery library and its syntax, as well as how to select and manipulate elements, create animations, and handle events.

•       Modules and Namespaces: Understanding of modular programming in JavaScript and how to use modules and namespaces to organize and structure code.

•       Object-Oriented Programming: Familiarity with object-oriented programming concepts and how they are applied in JavaScript.

•       MVC frameworks: Knowledge of popular MVC frameworks such as Angular, React, or Vue and experience building applications using these frameworks.

•       Testing: Understanding of testing concepts in JavaScript and experience using testing frameworks such as Jest or Mocha.

•       Debugging and Troubleshooting: Ability to debug and troubleshoot code, identify and fix bugs, and optimize code for performance.

•       Version Control: Familiarity with version control systems such as Git and experience working in a collaborative development environment.

•       Responsive Web Design: Knowledge of responsive web design principles and experience building responsive websites.

•       Cross-Browser Compatibility: Understanding of cross-browser compatibility issues and experience writing code that works across multiple browsers.

•       Data Structures and Algorithms: Basic knowledge of data structures and algorithms and how they can be applied in JavaScript.

•       Web Standards and Accessibility: Knowledge of web standards and accessibility guidelines and experience building accessible websites.

•       Continuous Integration and Deployment: Understanding of continuous integration and deployment practices and experience using tools such as Jenkins or TravisCI.

 JavaScript Jobs

Here are some of the most common JavaScript-related jobs and their average salary ranges:

Front-end Web Developer	$75,000 – $130,000 per year
Full-stack Web Developer	$85,000 – $150,000 per year
JavaScript Engineer	$105,000 – $160,000 per year
UI/UX Developer	$85,000 – $140,000 per year
React Developer	$95,000 – $165,000 per year
Angular Developer	$85,000 – $150,000 per year
Vue.js Developer	$80,000 – $130,000 per year
Node.js Developer	$85,000 – $140,000 per year

It’s also worth noting that experience and additional skills can greatly impact salary levels for any of these positions. In general, the more experience you have, the more valuable you become to potential employers, which can result in a higher salary. Additionally, having additional skills such as proficiency in a particular framework or library, experience with mobile or desktop app development, or knowledge of server-side technologies can also increase your earning potential.