Best JavaScript Courses to Learn in 20-22
Best
JavaScript online courses for both beginners and experienced web developers and
designers as well.
The JavaScript is the most popular scripting languages and it developed by Netscape and used to develop the client-side web applications.
Try Free
JavaScript Essential Training for beginners and experienced
https://www.code-sample.com/2015/04/javascript-interview-questions-answers.html
If you want JavaScript
paid courses try the below link,
https://www.udemy.com/topic/javascript/free/
What is the
difference between let, var, and const?
I’m explaining the importance of these three keywords in JavaScript.
Let see the
detail about the - var vs. let vs. const
var: -
1. var is function-scoped
2. var returns undefined when accessing a
variable before it's declared
let: -
1. let
is block-scoped
2. let throw ReferenceError when accessing a
variable before it's declared
const:-
1. Const is block-scoped
2. Const throw ReferenceError when accessing
a variable before it's declared
3. Const cannot be reassigned
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Anil Singh is an author, tech blogger, and software programmer. Book writing, tech blogging is something do extra and Anil love doing it. For more detail, kindly refer to this link..
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