Display()

Prompt()

Alert()

Confirm()

if(a!=null)

if (!a)

if(a!null)

if(a!==null)

Displays a message in an alert box

Prints output to the console

Writes data to a file

Logs an error in the browser console

==

=

===

!=

Prints an exception error

Prints an overflow error

Displays “Infinity”

Prints the value as such

jscript.write("Sky is blue")

document.write("Sky is blue")

print("Sky is blue")

jscript.print("Sky is blue")

Division by zero

Missing of semicolons

Syntax error

Both A and B

var defines a variable while let defines a constant.

There is no such major difference between them.

The value of a variable declared with var can be changed while the value of a variable declared with let cannot be changed.

var defined function scoped variable while let define block scoped variable.

2value

first-name

var

_totalAmount

keyword

function

Declaration Statement

Data type

=

==

===

!=

var

let

const

none of the above

The with value let cannot of a variable declared with var can be changed while the value of a variable declared be changed

var defines a variable while let defines a constant

var declare function scoped variable while let declare block scoped variable

All of the options

0

1

2

Error

::

?:

??

=>

44

12

6

Error

document. write()

console.log()

innerHTML

document.getElementById()

//This is a comment

<!--This is a comment-->

/* This is a comment */

Both A and C

Volatile variable

Mutable variable

Immutable variable

Dynamic variable

var defines a variable while let defines a constant.

There is no such major difference between them

The value of variable declared with let cannot be changed

var define function scoped variable while let define block scoped variable

=

x

==

*

22

4

2

syntax error

var

let

static

public

5myvalue

myvalue5

Myvalue

None of These

<!--This is a comment-->

//This is a comment

'This is a comment

#This is a comment

variable carName;

var carName;

vari carName;

dim carName;

document. write()

console.log()

window. alert()

innerHTML

7

52

Error

Undefined

/

%

*

^