Duplicate of Javascript - Day 01 Flashcards

1

Guess the output

null
false
undefined
true

2

Guess the output

error
true
false
none of the above

3

what is the standard way of defining a function

fun sayHello(){}
func sayHello(){}
function sayHello{}
function sayHello(){}

4

Guess the output

text
numbers
string
number

5

Which example demonstrates the correct usage of a for loop?

const max=100; for (let i = 0; i < max; i-+) {}
const max=100; for ( i < max; i++;let i = 0) {}
const max=100; for ( i < max;let i = 0; i++) {}
const max=100; for (let i = 0; i < max; i++) {}

6

Guess the output

null
false
true
none of the above

7

Guess the output

null
false
undefined
true

8

Guess the ouput

Uncaught Type Error
Ayoub
Youssef
500 page error

9

Guess the output

null
false
true
string

10

Guess the output

string
true
none of the above
false

11

what is a variable?

A mathematical operation
A container to store data
A type of function
A conditional statement

12

What is the purpose of JavaScript in web development?

Managing server-side operations
Creating database queries
Adding interactivity and dynamic behavior to web pages
Styling web pages

13

what does the value undefined represent?

A placeholder for an empty string
string
A variable that has not been declared
A null value

14

Guess the output

Si Taki
Ali
Youssef
Ayoub

15

Guess the output

str
chars
string
number

Duplicate of Javascript - Day 01

Questions 15

Duplicate of Javascript - Day 01

Questions 15