
JavaScript tablice
Quiz
•
Computers
•
1st Grade
•
Practice Problem
•
Medium
Kamila Góra
Used 9+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Która instrukcja przypisania wartości do tablicy w JavaScript jest poprawna
Tablica[0]=-1
Tablica[-1]=0
Tablica(0)=-1
Tablica(-1)=0
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
W tablicy indeksowanie rozpoczyna się od
1
0
-1
2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jaki będzie wynik działania poniższej instrukcji?
Jan
Anna
Iks
Jan, Anna, Iks
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Po wykorzystaniu metody splice w zmiennej auta przechowywane są:
let auta = ["audi", "fiat", "ford", "mercedes", "citroen"];
let an = auta.splice(2,2);
console.log(auta);
audi, mercedes, citroen
ford, mercedes
audi, fiat, citroen
ford, mercedes, citroen
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
charCodeAt(index) zwraca kod ASCII znaku na podanym indeksie
tak
nie
nie ma takiej metody
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Co się wyświetli?
7
true
6
false
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Jaka wartość przechowywana jest w zmiennej n
let a1 = "Konstytucja";
let n = a1.charAt(7);
t
u
65
98
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