Daily JavaScript

18. What's the output?

Javob variantlari:

Anonymous Quiz

A: You are an adult!

B: You are still an adult.

100%

C: Hmm.. You don't have an age I guess

1 voter4 viewsUtkir, 10:49

Daily JavaScript

19. What's the output?

function getAge(...args) {
  console.log(typeof args);
}

getAge(21);

4 viewsUtkir, 10:50

Daily JavaScript

19. What's the output?

Javob variantlari:

Anonymous Quiz

1 voter5 viewsUtkir, 10:52

Daily JavaScript

20. What's the output?

function getAge() {
  'use strict';
  age = 21;
  console.log(age);
}

getAge();

3 viewsUtkir, 10:54

Daily JavaScript

20. What's the output?

Javob variantlari:

Anonymous Quiz

1 voter4 viewsUtkir, 10:55

Daily JavaScript

21. What's the value of sum?

const sum = eval('10*10+5');

Anonymous Quiz

1 voter3 viewsUtkir, 11:34

Daily JavaScript

22. How long is cool_secret accessible?

sessionStorage.setItem('cool_secret', 123);

Anonymous Quiz

A: Forever, the data doesn't get lost.

100%

B: When the user closes the tab.

C: When the user closes the entire browser, not only the tab.

D: When the user shuts off their computer.

1 voter4 viewsUtkir, 11:37

Daily JavaScript

23. What's the output?

var num = 8;
var num = 10;

console.log(num);

2 viewsUtkir, 11:38

Daily JavaScript

23. What's the output?

Javob variantlari:

Anonymous Quiz

1 voter3 viewsUtkir, 11:39

Daily JavaScript

24. What's the output?

const obj = { 1: 'a', 2: 'b', 3: 'c' };
const set = new Set([1, 2, 3, 4, 5]);

obj.hasOwnProperty('1');
obj.hasOwnProperty(1);
set.has('1');
set.has(1);

2 viewsUtkir, edited 06:34

Daily JavaScript

24. What's the output?

Javob variantlari:

Anonymous Quiz

A: false true false true

B: false true true true

100%

C: true true false true

D: true true true true

1 voter3 viewsUtkir, 06:36

Daily JavaScript

25. What's the output?

const obj = { a: 'one', b: 'two', a: 'three' };
console.log(obj);

2 viewsUtkir, 06:39

Daily JavaScript

25. What's the output?

Javob variantlari:

Anonymous Quiz

A: { a: "one", b: "two" }

B: { b: "two", a: "three" }

100%

C: { a: "three", b: "two" }

D: SyntaxError

1 voter2 viewsUtkir, 06:40

Daily JavaScript

26. The JavaScript global execution context creates two things for you: the global object, and the "this" keyword.

Javob variantlari:

Anonymous Quiz

1 voter1 viewUtkir, 06:47

Daily JavaScript

27. What's the output?

for (let i = 1; i < 5; i++) {
  if (i === 3) continue;
  console.log(i);
}

2 viewsUtkir, 06:49

Daily JavaScript

27. What's the output?

Javob variantlari:

Anonymous Quiz

1 voter1 viewUtkir, 06:50

Daily JavaScript

28. What's the output?

String.prototype.giveLydiaPizza = () => {
  return 'Just give Lydia pizza already!';
};

const name = 'Lydia';

console.log(name.giveLydiaPizza())

2 viewsUtkir, 06:54

Daily JavaScript

28. What's the output?

Javob variantlari:

Anonymous Quiz

A: "Just give Lydia pizza already!"

B: TypeError: not a function

C: SyntaxError

D: undefined

0 voter1 viewUtkir, 06:54

Daily JavaScript

29. What's the output?

const a = {};
const b = { key: 'b' };
const c = { key: 'c' };

a[b] = 123;
a[c] = 456;

console.log(a[b]);

1 viewUtkir, 11:05

Daily JavaScript

29. What's the output?

Javob variantlari:

Anonymous Quiz

1 voter1 viewUtkir, 11:06

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