Answer & Solution
Answer: Option A
Solution:
The parseFloat function returns a number parsed from the string, ignoring invalid characters that follow.
Q
What is the type of the value returned by parseFloat('3.14abc')?
Related Questions on Average
What will be the result of typeof function() {} in JavaScript?
A). function
B). object
C). undefined
D). method
What will typeof null return in JavaScript?
A). null
B). undefined
C). object
D). number
Which operator is used to determine the type of a variable in JavaScript?
A). typeof
B). instanceof
C). type
D). isType
What is the initial type of a variable declared with let a;?
A). null
B). number
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D). object
What is the result of typeof [] in JavaScript?
A). array
B). object
C). list
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What does the parseInt function do in JavaScript?
A). Converts a number to a string
B). Converts a string to an integer
C). Converts a boolean to a number
D). Converts an array to a number
What will be the result of the following code: let z = '123'; z = Number(z); console.log(typeof z);?
A). string
B). number
C). undefined
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What does the isNaN function do?
A). Checks if a value is not a number
B). Converts a value to a number
C). Checks if a value is a number
D). Converts a value to NaN
What will typeof NaN return in JavaScript?
A). number
B). NaN
C). undefined
D). object
What does it mean that JavaScript is dynamically typed?
A). Variables do not have types
B). Variables can change type
C). Variables must be declared with a type
D). Variables cannot change type