Answer & Solution
Answer: Option A
Solution:
Number('123') converts the string '123' to a number 123.
Q
What does Number('123') return in JavaScript?
Related Questions on Average
What is the output of typeof Symbol('id') in JavaScript?
A). symbol
B). object
C). string
D). null
How does the instanceof operator behave with primitive values in JavaScript?
A). Throws an error
B). Returns true for all primitive values
C). Returns false for all primitive values
D). Primitive values cannot be used with instanceof
What is the result of Boolean('false') in JavaScript?
A). 1
B). 0
C). NaN
D). null
What does typeof new Date() evaluate to in JavaScript?
A). date
B). object
C). string
D). null
What does typeof Math evaluate to in JavaScript?
A). math
B). object
C). number
D). undefined
How does JavaScript evaluate typeof 'Hello'?
A). string
B). object
C). undefined
D). null
What is the output of typeof function(){} in JavaScript?
A). function
B). object
C). undefined
D). null
How does JavaScript evaluate typeof /^regex$/ in JavaScript?
A). regexp
B). object
C). string
D). null
What will be the output of [] instanceof Array in JavaScript?
A). 1
B). 0
C). null
D). undefined
What does typeof window.evaluate evaluate to in JavaScript?
A). function
B). object
C). string
D). undefined