What is JavaScript and where to learn it

1. What is JavaScript and where is it used?
2. What you need to know to work with JavaScript
3. Where to learn JavaScript
4. What makes JavaScript so popular

In this article we will look at what JavaScript is, where it is used and how you can learn this programming language.

What is JavaScript and where is it used?

The JavaScript programming language is one of the most popular and widely used languages ​​in the world. It was created in 1995 by Netscape and has since become an integral part of web development.

• JavaScript is used to create interactive web pages, animations, games and other applications. It allows developers to create dynamic websites that respond to user actions, such as clicking a button or entering data into a form. JavaScript allows you to add various elements to your web pages, such as pop-ups, contact forms, image sliders, animations, and more.

• JavaScript is also used to create the client side of web applications such as web browsers, social networks, online stores and others. It allows developers to create complex user interfaces and handle data on the client side.

JavaScript is also used to create mobile applications. Many popular mobile apps are written in JavaScript using frameworks such as React Native or Ionic.

Additionally, JavaScript is used in game development. Many popular games such as Counter-Strike, Minecraft and Angry Birds are written in JavaScript.

JavaScript is also used in server-side development. For example, Node.js is a platform that allows you to use server-side JavaScript to build fast and scalable web applications.

What you need to know to work with JavaScript

Learning JavaScript starts with learning the basics of the language, such as variables, operators, loops, and functions. You can then move on to more advanced topics such as object-oriented programming, asynchronous programming, and working with libraries and frameworks.

To work with JavaScript, you need to know a few basic things:

1. Basic programming concepts: variables, arrays, functions, loops, conditional statements, etc.
2. Objects and Prototypes: JavaScript is an object-oriented language, so it’s important to understand how objects and prototypes work.
3. Working with the DOM (Document Object Model): JavaScript is used to interact with web page elements, so it is important to understand how the DOM works.
4. Functional Programming: JavaScript supports functional programming, so it is important to understand how functions work and how they can be used to create more complex programs.
5. Operands: JavaScript supports operators such as +, -, *, /, etc., so it is important to understand how they work and how they can be used to perform mathematical operations.
6. Error Handling: JavaScript has built-in error handling, so it is important to understand how to handle errors and how to avoid them.
7. Data Manipulation: JavaScript supports various data types such as numbers, strings, objects, and arrays, so it is important to understand how to work with data and how it can be manipulated.
8. Frameworks and Libraries: JavaScript has many frameworks and libraries such as React, Angular, Vue.js and jQuery that make web application development easier. It is important to understand how they work and how they can be used.
9. Testing: JavaScript supports various testing techniques such as unit testing, integration testing, and functional testing. It is important to understand how to do testing and how it can be used to improve the quality of your code.
10. Security: JavaScript has built-in security features such as authentication and authorization, so it is important to understand how to secure web applications.

These are just some of the basic things you need to know to work with JavaScript. However, the more you know, the better you will be able to use JavaScript to create complex and powerful web applications.

Where to learn JavaScript

There are many resources for learning JavaScript, including online courses, books, and video tutorials. Additionally, many companies offer internships and training programs for aspiring developers. If you want to learn how to program in JavaScript, then you should pay attention to the course from PurpleSchool.

PurpleSchool is an online school that offers courses in a variety of areas, including JavaScript. Well JavaScript Basics designed for beginners and includes everything you need to know to get started with JavaScript.

One of the main advantages of the course is its accessibility. You can learn JavaScript at any time convenient for you and anywhere you have access to the Internet.

In addition, the PurpleSchool course offers support from teachers and the opportunity to network with other students. You can ask questions and get answers from experienced developers. And after completing the course you will receive a certificate.

What will you know after the course?

• Write full-fledged web applications in JavaScript.
• Understand the basics of JavaScript.
• Work with functions, arrays, strings and objects.
• Write cycles, sorts, filters.
• Understand the JavaScript process.
• Understand how stack calls work.
• Work with context and the this keyword.
• Write closures and understand how they work.
• Work with Document Object Model.
• Process form data.

This course is the first part of the JavaScript courses, which is aimed at studying in detail the basics of the language and how it works “under the hood”. The course is suitable even for those who have never encountered JavaScript before and only have basic knowledge of HTML and CSS, which are needed for the final project. Moreover, if you are a beginner, then even without knowledge of HTML and CSS you will be able to fully master the course and begin your journey in development. Much attention in the course is paid to exercises, so that you not only master the theory and repeat the code after the teacher, but also be able to consolidate your knowledge in practice. There is also an emphasis on the modern syntax of the language and its capabilities.

PurpleSchool’s JavaScript Basics course is a great choice for those who want to learn how to program in JavaScript. It provides all the knowledge and skills you need to get started with JavaScript and help you become a professional developer.

What makes JavaScript so popular

JavaScript is a versatile programming language that can be used in various areas of software development. It has many advantages that make it popular:

• JavaScript is the standard for web development. Most web browsers support JavaScript, making it ideal for creating interactive web pages and web applications.
• JavaScript is easy to learn and use. It has a simple syntax and is easy to read, making it accessible to novice developers.
• JavaScript supports functional programming. This allows developers to create more complex programs and use different methods to process data.
• JavaScript has many frameworks and libraries that make web application development easier. This allows developers to quickly create complex applications with minimal effort.
• JavaScript supports various data types such as numbers, strings, objects, and arrays, making it a universal programming language.
• JavaScript has built-in error handling that allows developers to quickly find and fix errors in their code.
• JavaScript supports various testing methods, which allows developers to check the quality of their code and improve it.
• JavaScript has built-in security features that make it safe to use in web development.

Overall, JavaScript is a popular programming language due to its versatility, ease of use, and support for various areas of software development.

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