A programming language is a formal language comprising a set of instructions that produce various kinds of output. Programming languages are used in computer programming to implement algorithms.

Function and target 

A computer programming language is a language used to write computer programs, which involves a computer performing some kind of computation or algorithm and possibly control external devices such as printers, disk drives, robots, and so on. It is generally accepted that a complete specification for a programming language includes a description, possibly idealized, of a machine or processor for that language.


Programming languages usually contain abstractions for defining and manipulating data structures or controlling

1. Programming Language: HTML 

-Hypertext Markup Language (HTML) is the standard markup language for documents designed to be displayed in a web browser. It can be assisted by technologies such as Cascading Style Sheets (CSS) and scripting languages such as JavaScript. Web browsers receive HTML documents from a web server or from local storage and render the documents into multimedia web pages. HTML describes the structure of a web page semantically and originally included cues for the appearance of the document.

-HTML elements are the building blocks of HTML pages. With HTML constructs, images and other objects such as interactive forms may be embedded into the rendered page.

HTML provides a means to create structured documents by denoting structural semantics for text such as headings, paragraphs, lists, links, quotes and other items.


-What is CSS ?
CSS is the language used to add style to documents created with HTML. Where HTML comes along next and is used to create the page’s layout, color, fonts, etc.

-Which is the latest version of css?

CSS3 is the latest version of CSS, introducing features like rounded corners, shadows, gradient, transitions or animations, and new layout like multi-clumns and flexible box or grid layouts.

3. Javascript

What does JavaScript do JavaScript isn’t only used for websites. It’s also used in desktop and server programs. Some databases also use JavaScript for their programming language. Likewise, JS is used to create games. Let’s take an overview, look at what it does. When a JS script is added to an HTML and CSS build, it can manipulate lots of things. You can make elements interactive or create fillable forms with conditions and variables. But that’s just the beginning. In simple terms, here are some of the main things JavaScript can do when it’s included in an HTML and CSS code build:

-Change HTML content

-Change HTML attribute values

-Change HTML styles (CSS)

-Hide HTML elements

-Show HTML elements

JS can do a lot more than that, but you could group it all into the above categories. The language is so versatile that changing HTML content can be something tiny to something extremely elaborate.

What does JavaScript look like inside the coding of a website, you will see the HTML, the CSS, and the JS. Which one is the JavaScript?

JS is always set up between tags. Whenever JavaScript is added to a build, it needs to be housed within its tags so that the system knows it’s going to read that element

JS function.

-A function is a set of JavaScript code. Since JS is telling (changing) the HTML to do something different than it’s basic action, the JS snippet is called a function.
A common method of JavaScript is to use document.getElementById(demo) . This message tells the browser to find an HTML element with an Id “demo” and change it to whatever the JS is telling it to do. There are two ways to make JavaScript readable by a browser. One is to include it inside the HTML code or to create a separate file called a .js extension. Inside the main code, the JS is set up after the HTML so that the function takes place in the right order. In separate .js file, the functions are displayed in ‘src’ format. This means that the function is to be taken from the source file (src = source).

Learning to use JavaScript

-There is no way that anyone can learn how to use JavaScript as easy as it is to use HTML. The language has many more aspects to it that need to be practiced and tested.

I suggest that to really get a feel of what JavaScript does inside a website and how it can be used for other purposes, is to follow the W3 Schools detailed tutorial. The W3 Schools website explains every little thing about JavaScript. From the simple functions to how to use variables, statements, keywords, and much more.

Follow every tutorial at your own pace and repeat if you didn’t understand something. The key to using JavaScript efficiently is to know how the language works and when a human error is messing with the functions.


In this post, we looked at what JavaScript is in order to give you a little taste of what this coding language can do. If you are serious about becoming a web developer, JS is something you should definitely learn. I suggest you get comfortable with HTML and CSS first and then dive into JavaScript. Once you feel like you are ready, start creating interactive forms and functions inside websites. Finally, try building a JavaScript game and show your friends how cool you are!


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