JavaScript

JavaScript

11th Grade

15 Qs

quiz-placeholder

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JavaScript

JavaScript

Assessment

Quiz

Information Technology (IT)

11th Grade

Practice Problem

Hard

Created by

István Kovács

Used 2+ times

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15 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Az alábbiak közül mi egyszerű típus (primitív) a JavaScriptben?

string
boolean
number
object

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Az alábbiak közül mik a referencia típusok (összetett típusok) JavaScriptben?

Numbers, String, Date

Object, String, Numbers

Function, Undefined, Symbol

Object, Array, Function

3.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Írd be a pontok helyéről hiányzó részt:

........getElementById('azonosito');

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mi az eredménye JS-ben?

('5' + '10') * 2

30

510

1020

undefined

5.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Hogyan tudjuk kiírni JS-ben hogy 'banana'?

console.log('b' + 'a' + + 'a' + 'a');

console.log('banana');

console.log(('b' + 'a' + + 'a' + 'a').toLowerCase());

Nem lehet ezt a szót kiíratni

6.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Melyik metódussal tudunk a konzolon megjeleníteni adatokat?

console.log()

println();

console.writeLine();

print()

7.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Melyek relációs operátorok a JS-ben az alábbiak közül?

!==

<=

=>

===

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