Introduction to JAVASCRIPT

by Jennifer Lee Education

‘’how can i learn javascript’’ JavaScript is a programming language which is used in web applications and websites to make them more superior and interactive. Just like Html and CSS this language is also used in web designing.

Html is structure of a webpage and CSS is all about design and layout and JavaScript is related how everything in a site is responding to user.

When we go to a site, we request the site from server computer that stores the website. The server then sends data to us in html and CSS files including JavaScript files and the server stop communicating.

When we interact with the webpage mostly work is done by html and CSS like layout designs etc. But JavaScript let the website do work like creating visual effects and validation work etc.

There is a reason why JavaScript is called client-side scripting language it is because it helps a user to interact with the website without the need of the server.

Function

The main objective of JavaScript language in web development is to manipulate page elements and making it dynamic. Let’s suppose a web page containing links and text just without any buttons we can read it of course and we can also move up to next page linked but our interaction to the web page is limited. But JavaScript helps us by making a webpage more attractive let suppose in the same web page you want to make changes like hiding a part of the page or making an image move from one side to another. It’s where JavaScript plays its role.

Uses of JavaScript

JavaScript is everywhere today on mostly every web page and there are chances of that the page on which you are contains JavaScript, you can check by right clicking on the page then clicking on the page source you will able to find the word JavaScript somewhere in the code

HTML allows web developer to format web content, but JavaScript allows them to make the page dynamic. HTML is only concerned with making text boxes or creating buttons while JavaScript allows pop us messages, validating forms making sure all fields are filled or not, just like artificial intelligence without the need of server. It makes a better user experience with the webpage.

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