ITEP 206 [OUTPUT ANALYSIS]

Yung outputs ay after maclick yung button. tas ano yung pagrereview nyo ay definition and pagpipilian, palitan nyo na lang sa settings nagkabaliktad sa akin eh. [Kung want nyo ituloy pa magreview nito ito ang start https://www.w3schools.com/js/exercise.asp?x=xrcise_object_property1]

True

True or False.
A semicolons is required after a statement in JavaScript.

False

How many statements are present inside the function block?
function genie() {
  let a, b, c;
  a = 5;
  b = 9;
  c = a + b;
}

4

x = 5

-FirstName

True or False.
JavaScript variable names are case in-sensitive, meaning name is the same as NAME

False

What is a correct syntax for creating a comment in JavaScript?

# this is a comment

// this is a comment

'' this is a comment

## this is a comment

// this is a comment

Select the correct syntax for commenting out the entire section of the code.


This code will
be ignored by JavaScript
and will NOT be executed


What will be the value of x?
x = 5;
//x = 7;

5

What is NOT a correct syntax for declaring variables?

let x;

dim x;

var x;

const x;

dim x;

Consider the following code:
let x = 5;
x = 7;
x = x + x;
alert(x);
What will be the alerted result?

10

12

14

14

Which one is NOT a legal variable name?

first-name

first_name

first$name

first3name

first-name

Create a variable called carName, assign the value Volvo to it.

Create a variable called x, assign the value 50 to it.

What is a correct use of the let keyword?

let x = 5;

x let 5;

let 5 into x;

x = 5(let);

let x = 5;

True or False.
Variables created with the let keyword can never change their value.

False

True or False.
With the let keyword, you can declare variables with the same name in the same block.

False

True or False.
Variables created with the const keyword can never change their value.

True

What is a correct use of the const keyword?

x const 5;

const 5 into x;

const x = 5;

const(x, 5);

const x = 5;

True or False.
If you create an Array with the const keyword, you cannot change the item values.

False

Consider the following code:
let x = 5;
let y = '8';
let z = x + y;
What will be the result of z?

58

Multiply 10 with 5, and alert the result:

alert(10  5);

alert(10 * 5);

Insert the correct operator to divide 10 by 2:

let x = 10 2

let x = 10 / 2

Consider the following code:
let x = 5;
x++;
What will be the result of x?

55

25

10

6

6

Insert the correct operator to return the remainder when 15 is divided by 9:

let x = 15 9

let x = 15 % 9

Consider the following code:
let x = 100 + 50 * 3;

What will be the result of x?

450

250

250

Consider the following code:
let x = 5;
x += 10;
What will be the result of x?

5

10

15

50

15

Use the correct assignment operator that will result in x being 15 (same as x = x + y).

x = 10;
y = 5;
x  y;

x = 10;
y = 5;
x += y;

In JavaScript, what is the data type of the following variable?
let x = 7.5

Decimal

Number

Integer

Float

Number

Insert the correct data type for each variable:

let a = 10;      //
let b = 'Sally'; //
let c = true;    //

Number

String

Boolean

What keyword is used to define a function in JavaScript?

def

func

function

function

Create a function called "myFunction".

  
  alert("Hello World!");

function myFunction() {alert("Hello World!");}

Make the function return ‘Hello‘

Consider the following object:
const car = {
  brand: 'Volvo',
  model: 'EX90'
};
How many properties do the object have?

2

Add the following property and value to the person object: country: Norway.

const person = {
  firstName: "John",
  lastName: "Doe" _
 ______ : _______
};

const person = {
  firstName: "John",
  lastName: "Doe" ,
  country: "Norway"
};