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Objektumok és operátorok

Authored by Katalin Berkecz

Computers

9th - 12th Grade

Used 3+ times

Objektumok és operátorok
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24 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

user={fname:"Éva", lname:"Kis", age=16} Mi a típusa a user változónak?

array

string

object

number

2.

MULTIPLE SELECT QUESTION

45 sec • 2 pts

user={fname:"Éva", lname:"Kis", age=16} Mely esetekben lesz 16 kiíratva?

console.log(user.lname);

console.log(user.age);

console.log(user["age"]);

console.log(user[2]);

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

user={name: 'Kis Éva', age:17, languages:['angol','német']} Mi kerül kiíratásra a console.log(user.languages[1] parancsra?

['angol','német']

angol

német

hibaüzenet

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

user={name: 'Kis Éva', age:17, languages:['angol','német']} Mi kerül kiíratásra a console.log(user.['languages'][1] parancsra?

['angol','német']

angol

német

hibaüzenet

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

aruk=[{name:'toll', price: 340}, {name:'ceruza', price: 210}, {name:'mappa', price: 3600}] ; console.log(aruk[1].price); Kód eredménye?

price

340

210

3600

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

console.log(aruk[1].price); kóddal melyik kód egyenértékű?

console.log(aruk.price[1])

console.log(aruk[1].['price'])

console.log(aruk['price'])

console.log(aruk[1])

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

aruk=[{name:'toll', price: 340}, {name:'ceruza', price: 210}, {name:'mappa', price: 3600}] ; Az első áru nevére melyik hivatkozás nem jó?

aruk[0].name

aruk[0]['name']

aruk[0]["name"]

aruk['name'][0]

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