@ShawnMüller-o3x

this is why we need typescript and add types to data to ensure these bugs do not reach in production code.

@mangocoder

There is also problem related to this optional chains in typescript called short circuit,

@subhadipmishra328

Awesome👏

@justshubham8117

Itni basic si cheez mein itna suspense thriller music laga rakha hai 😂

@ackerman6992

basically null safety check

@nageshkokare9050

sir aise hi video late rahie

@Vickycooldu

If you remove grade from console ,you will get undefined,  but we searching something over undefined that create and error , so optional changing helps in both cases


Use case: data coming from api

@saketnamdev-i2d

, very interesting can you make a full video like this

@_Arbaz_98

For learning, of js. best shorts ever.

@mohdyasir5421

👍

@samiranroyy1700

Thanks !❤

@AB099

Using  in API

@junayeddhaly

Video edit flash is pretty annoying. Please avoid this flash.

@mohitverma3222

Can use PrepareFrontend for practising frontend interview questions.

@amitkumargupta6457

Thank you

@muzamilhussain2406

TS solves this problem

@NileshSen-rn5vg

Where I can find all this is interview questions

@moinzajam5117

Bhaiya question kha se practice kre kis platform se JS ke liye

@devotee618

cannot reading from undefine object

@joychoudhury718

Use ?. simple