JavaScript Question 1 (1 point) When you use the relational operators, you can c

Question

JavaScript

Question 1 (1 point)

When you use the relational operators, you can compare

Question 1 options:

a variable with a literal value

a variable with another variable

a variable with an arithmetic expression

all of the above

A and B only

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Question 2 (1 point)

The equal to (==) and not equal to (!=) operators should

Question 2 options:

not be used to compare floating-point numbers

not be used in a conditional expression

not be used with the isNaN() method

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Question 3 (1 point)

What value is returned by the following expression?
!isNaN("12.345")

Question 3 options:

true

false

NaN

undefined

Question 4 (1 point)

Which of the following is NOT a relational operator?

Question 4 options:

>

>=

!=

=

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Question 5 (1 point)

Which of the following will test whether a Boolean variable named isValid is true?

Question 5 options:

isValid == true

isValid

!isValid == false

all of the above

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a variable with a literal value

a variable with another variable

a variable with an arithmetic expression

all of the above

A and B only

Explanation / Answer

Answer 1:

All of the above

we can compare variable with literal and other variable and expression

Answer 2:should not use with isNan

Answer 3: True;

!isNaN("12.345") return false and on false we are applying ! it will become true

Answer 4:D

= is an assignment operator which is used to assign the values

Answer 5:D

all are valid scenarios

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