Scope Of Variables In JavaScript | Global & Local | JavaScript Tutorial For Beginners | SimpliCode

This video on Scope of Variables in JavaScript will take you through the basics of what scope of a variable actually means in JavaScript.
In this video tutorial, Global and Local variables are explained with the help of basic examples.

Below are the points covered in this JavaScript tutorial for beginners video.
00:00:00 Introduction.
00:01:00 Scope of a variable.
00:01:25 Global variable.
00:02:29 Local variable.
00:04:48 Global vs Local variable.
00:05:50 Declaration of Global variable without “Var” keyword.

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What is the scope of a variable in a program?
Scope of a variable refers to the accessibility of a variable in a given program or function. For example, a variable may only be available within a specific function (local variable), or it may be available to the entire JavaScript program (global variable).

Introduction to JavaScript:
JavaScript is a scripting language that is used to create and manage dynamic web pages, basically anything that moves on your screen without requiring you to refresh your browser. It can be anything from animated graphics to an automatically generated Facebook timeline. When most people get interested in web development, they start with good old HTML and CSS. From there, they move on to JavaScript, which makes sense, because, these three elements together form the backbone of web development. HTML is the structure of your page like the headers, the body text, any images you want to include. It basically defines the contents of a web page.
CSS controls how that page looks (it’s what you’ll use to customize fonts, background colors, etc.). JavaScript is the third element. Once you’ve created your structure (HTML) and your aesthetic vibe (CSS), JavaScript makes your site dynamic (automatically updateable).

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Your video is helpful to me thanks you