Jennie  Hane

Jennie Hane

1626051600

Var vs Let vs Const: JavaScript complete course in 2021 in Hindi #6

Var vs Let vs Const: JavaScript complete course in 2021 in Hindi πŸ”₯πŸ”₯πŸ”₯ #6
Support this channel: https://www.youtube.com/channel/UCo9xTRmg1SqQ5JSsA2fAgJw/join

In this video, We will have a look which keyword to use when creating a variable.

In this series, we will be learning the JavaScript programming language.
This course will be for absolute beginners as well as advanced users.
This is series has multiple parts which are depending on the previous video session.

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Javascript mini-projects:
https://www.youtube.com/watch?v=KlLdNSvmoKI&list=PLXQpH_kZIxTVeSYQXLtpvMBCirxKCxqZz
NodeJs crash course: https://youtu.be/wdBCoRMMxto
Express Js crash course: https://youtu.be/46Mjvdv_UUM
Realtime pizza app using Node Js: https://www.youtube.com/playlist?list=PLXQpH_kZIxTVRmXQN9J0Az76te5mAreLV
Flexbox: https://youtu.be/7WE_K7NDL0s

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#javascript #variables #let #const #var #codersgyan #happycoding #webdevelopment

#javascript #var vs let vs const #webdevelopment

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Buddha Community

Var vs Let vs Const: JavaScript complete course in 2021 in Hindi #6
Jennie  Hane

Jennie Hane

1626051600

Var vs Let vs Const: JavaScript complete course in 2021 in Hindi #6

Var vs Let vs Const: JavaScript complete course in 2021 in Hindi πŸ”₯πŸ”₯πŸ”₯ #6
Support this channel: https://www.youtube.com/channel/UCo9xTRmg1SqQ5JSsA2fAgJw/join

In this video, We will have a look which keyword to use when creating a variable.

In this series, we will be learning the JavaScript programming language.
This course will be for absolute beginners as well as advanced users.
This is series has multiple parts which are depending on the previous video session.

⭐ I’ve started using Kite and I love it!
https://www.kite.com/get-kite/?utm_medium=referral&utm_source=youtube&utm_campaign=codersgyan&utm_content=description-only
Javascript mini-projects:
https://www.youtube.com/watch?v=KlLdNSvmoKI&list=PLXQpH_kZIxTVeSYQXLtpvMBCirxKCxqZz
NodeJs crash course: https://youtu.be/wdBCoRMMxto
Express Js crash course: https://youtu.be/46Mjvdv_UUM
Realtime pizza app using Node Js: https://www.youtube.com/playlist?list=PLXQpH_kZIxTVRmXQN9J0Az76te5mAreLV
Flexbox: https://youtu.be/7WE_K7NDL0s

You may connect with me:
Facebook - βœ… https://www.facebook.com/codersgyan
Discord - βœ… https://discord.gg/WPfWD3B
Telegram - βœ… https://t.me/joinchat/AAAAAFbBD_inny1ksCzOvA
Instagram - βœ… https://www.instagram.com/codersgyan
Twitter - βœ… https://twitter.com/CodersGyan

You may support this channel by becoming a patron :)
βœ… https://www.patreon.com/codersgyan

#javascript #variables #let #const #var #codersgyan #happycoding #webdevelopment

#javascript #var vs let vs const #webdevelopment

Coy  Roberts

Coy Roberts

1601976360

Javascript let vs var: The Difference and Comparison

Javascript let, and var are both used for variable declaration. Before the ES6, JavaScript had only two types of scope:

  1. Global Scope
  2. Function Scope

Global Scope

Variables that are declared Globally (outside any function) have Global Scope.

var netflixFilm = "enola holms";

// code here can use netflixFilm

function detective() {
  // code here can also use netflixFilm
}

In this example, the variable is defined outside the function. So it is in the global scope.

You can access global variables anywhere in JavaScript programs.

#javascript #javascript let #javascript let vs var

JavaScript Var, Let, and Const - 8

To declare a variable in JavaScript either var, let or const is used.
We will distinguish between the three with the following features:

  • Block scope
  • Update and redeclaration
  • Hoisting
  • Undefined

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Watch the entire JavaScript Series, including upcoming JavaScipt videos on YouTube: https://www.youtube.com/playlist?list=PLJGKeg3N9Z_Rgxf1Und7Q0u0cSre6kjif

Check it out on the article: https://techstack.hashnode.dev/javascript-var-let-and-const

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#javascript #javascript var #let #const

Eldora  Bradtke

Eldora Bradtke

1589938080

JavaScript Variables: var and let and const

There are three ways to create variables in a JavaScript application: using var, using let, or using const. This will not be a post trying to convince you which one you should use, or arguing about what is best. It’s just good to know about the differences and what it means when you use the different options. But hopefully by the end of all this you’ll be comfortable with the three options and can make a decision for your team that will suit your needs. To get the most out of this post, it is best if you understand variable scope, which we covered in this post previously.

#javascript #var #let #const

Tanya  Shields

Tanya Shields

1591952760

Declaring A Winner Between JavaScript's var, let And const

When ECMAScript 6 (also known as ECMAScript 2015) was released a collection of new APIs, programming patterns and language changes became a standard. Since ES6 started gaining browser and nodejs support developers are wondering if they should stop using the traditional var to declare variables.
ES6 introduced two new ways to declare variables, let and const.

var - has function level scoping and can change the value reference
let - has block level scoping and can change the value reference
const - has block level scoping but cannot change the value reference
Both provide better block scoping that var. const differs from let because the immediate value cannot be changed once it is declared.
Variables declared using var are function scoped, which has led to confusion to many developers as they start using in JavaScript.

#javascript #var #let #const #programming