What does the operator

What will be the value of x after executing the code: let x = 5; x += '2';?

A). 7

B). '72'

C). 52

D). NaN

What is the purpose of the % operator in JavaScript?

A). Exponentiation

B). Division

C). Modulus

D). Concatenation

What will be the result of '10' + 10 in JavaScript?

A). '1010'

B). 20

C). NaN

D). Error

What will be the output of 20 / '5' in JavaScript?

A). 4

B). NaN

C). Infinity

D). Error

What does the typeof operator return for an array in JavaScript?

A). 'array'

B). 'object'

C). 'null'

D). 'undefined'

What will be the output of '7' - 3 in JavaScript?

A). 4

B). '4'

C). NaN

D). Error

What will be the result of 5 == '5' in JavaScript?

A). 1

B). 0

C). Error

D). Undefined

What does the unary operator + do to a string in JavaScript?

A). Concatenates it

B). Ignores it

C). Converts it to a number

D). Throws an error

What is the value of x after executing the code: let x = 5; x *= 2 + 3;?

A). 10

B). 25

C). 13

D). 15

What is the value of x after executing the code: let x = 10; x += 5; x /= 3;?

A). 5

B). 15

C). 33

D). 67