
JS - основы

Quiz
•
Computers
•
1st Grade
•
Hard
Tom Winter
Used 31+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Что такое alert?
Окно с полем ввода
Предупреждение об опасности
Окно с сообщением
Команда для вывода в консоль
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какой вариант кода заработает?
alert "Hello"
alert (Hello)
alert [Hello]
alert ("Hello")
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Куда пользователь может вводить данные?
alert
prompt
switch
break
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какой правильный вариант написания условий?
if(a==3){
alert(a)
}else{
alert("error")
}
if(a==3){
alert(a)
}else if{
alert("error")
}
if(a=3){
alert(a)
}else{
alert("error")
}
if(a==3):
alert(a)
else:
alert("error")
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Какие бывают циклы?
for
var
while
switch
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Правильный вариант цикла while:
while(a<5){
alert(a);
}
while(a<5){
alert(a);
a++;
}
while(a=0; a<5; a++){
alert(a);
}
while a<5{
alert(a)
}
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Правильный вариант цикла for:
for(var i=0; i<5; i++){
alert(i);
}
for(i<5){
alert(i);
i++;
}
for(i=100; i<5; i++){
alert(i);
}
for(i){
alert(i);
}
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