JavaScript is one of the world’s most popular programming languages. It is a high-level programming language used to develop interactive and dynamic web applications. In this article, we will explore what JavaScript is, what it is used for and some examples of how it is used.
What is Javascript
Javascript is a high-level programming language used to develop interactive and dynamic web applications. It is used to add interactivity and dynamism to web pages. Javascript is an interpreted language, which means that it is not compiled into an executable file like other programming languages. Instead, the Javascript code is executed directly in the web browser.
Javascript has become one of the most popular programming languages in the world, and is used in many different websites, from small personal web pages to large enterprise applications.
What is Javascript used for?
Javascript is used to add interactivity and dynamism to web pages. Here are some of the most common uses of Javascript:
- Form validation: Javascript is used to validate forms on a web page. For example, you can check if an e-mail field is in the correct format before the form is submitted.
- Game development: Javascript is used to develop online games. Online games like Candy Crush and Angry Birds are largely built with Javascript.
- Creating visual effects: Javascript is used to create visual effects on a web page. For example, you can create an animation that makes an object fade smoothly as it moves away.
Javascript Examples
Javascript is used in many different web sites. Here are some examples of how Javascript is used in practice:
- Google Maps: Google Maps uses Javascript to provide online interactive map functionality. Users can drag and drop maps, zoom in and out, and view satellite images.
- Facebook: Facebook uses Javascript to provide online chat functionality. Users can chat with each other in real time using Facebook’s chat functionality.
- Twitter: Twitter uses Javascript to provide infinite scrolling functionality. Instead of loading the entire Twitter page at the same time, the page loads automatically as the user scrolls down.
Conclusion
Javascript is one of the most popular programming languages in the world. It is used to add interactivity and dynamism to web pages. It is used to validate forms, develop online games and create visual effects on a web page. Javascript is used on many different websites, including Google Maps, Facebook and Twitter. By understanding what JavaScript is and how it is used in practice, web developers can make informed decisions about how to add interactivity and dynamism to their websites.
