TypeScript Basics 2 - Examining some problems with JavaScript

In order to understand the problems TypeScript tries to solve, we'll learn about some problems with JavaScript first - lack of typing, structured objects, function signature checks.

Learn about the basics of TypeScript. Understand how types work, how to use arrays and tuples, how to declare classes and interfaces. Understand concepts of type erasure, duck typing, enums, generics and modules. Create a development workflow and configure the TypeScript compiler to your needs. And watch as I build an end-to-end TypeScript application from scratch.

[brandonflorida]

Whatever money you're making from these videos, you deserve. You're providing a valuable service to the development community.

[vivekamilkanthawar]

Ohh yesss !!!
Sir I just can't tell how egarly I wait for your tutorials..
You are just an awesome teacher..

[MULAGURA]

we can use seal or freeze to avoid adding/removing properties in object.

[danielchazan]

good work very helpfull clear explanation

[gpet]

Thanks a lot sir, because this knowledge it couldn't found at my school, only this channel
:)

[MrRight]

Personally I appreciate the weirdness of pure JavaScript. While TypeScript and Java 8 have been designed for engineers, JavaScrips remains hacker paradise.

[alishreef]

first of all thank you for this tutorial, keep going .
i have question, is typescript programming language or scripting language?
it confuse me a little bit and what is difference between programming language and scripting language?

[adrianholmes]

I was really hoping you would add() with a string :'(

add(1, ' not a number')

[sudhakard]

There is a method which can prevent adding more properties to an object.
var obj = {firstName:'John"}
Object.seal(obj);
-->Now u can't add any more to this object.

[prasanthmoolethodi]

Please don't make a point that "javascript is nothing". May be Typescript is awesome.

[jayant]

U r killing my eyes please use dark mode

[ghostgutarist]

Well, Guys Free Knowledge is Good.... but Please do a fact check before believing everything u see on the Internet. U can check the Type of a variable in Javascript Same way you can in Python. Saying "You cant Check it and only Know when you Do some operation" Makes no sense.
this is not a Drawbacks, that has its own advantage both in Python and in Java script. NO CONCEPT OF A CLASS? You made this video in 2018 !!! Really?

[aritradattagupta]

Anybody who introduces Typescript as a separate programming language shouldn't teach typescript.

Even the typescript docs home page doesn't introduce itself as a programming language but as a superset of javascript and it is actually JUST that. Feels like every tom dick & harry nowadays are creating programming courses.