33. Scope and Hoisting in Javascript | Javascript tutorial for beginners | Javascript full course
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🔥 Welcome to this JavaScript Course for Beginners. 🔥
Introduction to Scope: The scope is a policy that manages the availability of variables. A variable defined inside the scope is accessible only within that scope, but inaccessible outside. In JavaScript, scopes are created by code blocks, functions, modules.
Introduction to Hoisting: Hoisting is a JavaScript mechanism where variables and function declarations are moved to the top of their scope before code execution. Inevitably, this means that no matter where functions and variables are declared, they are moved to the top of their scope regardless of whether their scope is global or local.
Did you know that there are over 15 million developers professionally using JavaScript? That's because it's so easy to learn and use! Even if you don't know how to code, you could still learn JavaScript for fun and games. It only takes about an hour to see results.
Data Is Good helps you in learning Javascript. JavaScript is a text-based programming language used both on the client-side and server-side that allows you to make web pages interactive.
In this video, you will learn about the Scope and Hoisting in Javascript with the help of examples.
The topics covered are given below:
○ Introduction - 0:00
○ Agenda - 0:27
○ What is scope - 0:41
○ Block Scope - 1:21
○ Function Scope - 2:13
○ Global Scope - 3:12
○ Agenda - 4:47
○ Hoisting - 5:12
○ Example - 5:50
○ Assignment - 7:47
Why JavaScript?
JavaScript is one of the most popular languages in the world today. It is used to create websites, mobile apps, games, and even desktop applications.
This course discusses why JavaScript is so popular and how it can be used to make any website interactive.
The following topics are discussed: what JavaScript code does; how it’s interpreted; how it differs from HTML5; and who can use JavaScript. Use this course as a guide to help you understand this coding language better!
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