JS savollar

1.data type larni sanab bering

2.symbol nma

3.null bn undefined farqi

4.var let const farqlari oxshash tomonlari

5.12e-12 nmani anglalati

6.hosting nma

7.scoplar {} haqida malumot

8.ozgaruvchilarning js hotirasiga saqlanishi nma uchun primitive nonprimitivega ajralgan . callstack heap haqida malumot bering

9.obj1=obj2 saqlanish jihatidan qanday boladi

10. objectdan clone(nusxa) olish yo`llari (...)

11.obj.entries() nma?

12.array methods vazifalari va misollar bilan tushunitrib bering {20tacha metod bor }

13 splice & slice farqi

14. let arr=[1,4,3,2,4] barcha sonlar yigindisini topuvchi function yozib bering

15. Array.from nma va uning vazifalari

16. call() , bind() , apply() farqlari ishlatish holatlari

17. Set, WeakSet, Map va WeakMap umumiy tushunchalarini sanab oting

18. convertion true+'' => natija qanday va nma uchun

19.null+1 null+0 null+'1' true+true har biriga izoh bering

20 sinxron asinxron tushunchalar

21 callback toliq malumot

22 promis lar ishlarilish holatlari

23 localstorage {stroge} haqida misollar bilan tushuntirib bering

24 cookie haqida qisqacha malumot

25 local operators ?

26 object methods

27 reduce method qanday ishlaydi

28 arrow function va uning afzalliklari

29 funksiya turlari farqlari bilan birga

30 flatMap() ishlatilish holatlari