
Js the fourth
Authored by Károly Lukács
Computers
12th Grade

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mit ír ki?
var course = {name: "JS", lessons: 41};
document.write(course.name.length);
2
4
41
JS
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Melyik beépített tulajdonsággal lehet meghatározni egy objektum tulajdonságának a karakterhosszát?
width
size
length
write
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Milyen kulcsszót használjuk egy objektum példányának a létrehozásához?
var
make
inst
new
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mit ír ki? function person (name, age)
{ this.name = name; this.age = age;}
var John = new person("John", 25);
var James = new person("James", 21);
document.write(John.age);
age
25
21
John.age
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mi hiányzik a kipontozott helyekről?
simba = ...category: "lion", gender: "male" ...
zárojelek
kapcsos zárójelek
szögletes zárójelek
semmi
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mit ír ki?
var p = new person("David", 21);
p.changeName("John");
document.write(p.name);
David
John
p.name
new person
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mit ír ki? function person(name, age) {
this.name= name; this.age = age;
this.yearOfBirth = bornYear;}
function bornYear() {return 2016 - this.age;}
var p = new person("A", 22);document.write(p.yearOfBirth());
2016
22
1994
p.yearOfBirth
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