Objektumok és operátorok

Quiz
•
Computers
•
9th - 12th Grade
•
Medium
Katalin Berkecz
Used 3+ times
FREE Resource
24 questions
Show all answers
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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