Learning Javascript - Introduction

What is Javascript?

Programming Language Definition

A programming language is a form of communication with the web, in this case, it is the way in which code is written to result in a web page...
Examples of programming languages ​​are Java, Python, Javascript, PHP, ...

Framework

Framework is a toolbox based on a programming language that will allow a project to be assembled based on a particular predefined architecture or form. For example node, angular uses javascript as a base. A framework has the function of making life easier when using a language, such as managing databases more easily,...

Library

Library is a dependency that is included in a web project to provide certain functionality, such as the inclusion of a library in a javascript project that allows you to have images in a section of your website with a type of special effect.
An example of a javascript library is Jquery. It is a library based on javascript whose function is to allow, with less code, to do a greater number of functions.

Frontend & Backend

• Frontend is the code part of a programming language for a website that is visible and interacts with users. Also called Client-Side. The execution of the web page will be done in the user's browser, such as Chrome, Opera, Edge,...
• Backend is the code part of a programming language for a website that is not visible to the user, and its main functions are to connect with the database, interact with the server that the website uses. Also called Server-Side. Place where the application-type programming language is going to be executed.

Javascript can be used both in Frontend and Backend: in the frontend you can use the javascript libraries vanilla JS, Angular, React,... On the backend server side, the Node library is used.

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