Which statement correctly assigns the value true to a boolean variable isLogged in JavaScript?

What is the keyword used to declare variables in JavaScript?

A). let

B). variable

C). var

D). const

Which data type is used to represent whole numbers in JavaScript?

A). number

B). integer

C). float

D). string

What will be the output of the following code: console.log(typeof 'Hello');?

A). string

B). number

C). undefined

D). boolean

Which method is used to convert a string to a number in JavaScript?

A). toString()

B). parseInt()

C). parseFloat()

D). toNumber()

Which of the following is NOT a valid variable name in JavaScript?

A). _myVariable

B). 2ndVariable

C). $myVariable

D). my-Variable

Which keyword is used to declare a constant variable in JavaScript?

A). const

B). let

C). var

D). constant

What is the purpose of using the === operator in JavaScript?

A). Strict equality comparison

B). Loose equality comparison

C). Assignment operator

D). Addition operator

Which variable declaration is appropriate if you want a variable to hold a constant value throughout the program execution?

A). let

B). var

C). const

D). constant

Which symbol is used for string concatenation in JavaScript?

A). +

B). -

C). *

D). /

What will be the value of x after the following code executes: let x = '5' + 5;?

A). '55'

B). 10

C). 5

D). '10'