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 is the result of typeof [] in JavaScript?
A). array
B). object
C). list
D). undefined
What will be the result of typeof function() {} in JavaScript?
A). function
B). object
C). undefined
D). method
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
Which of the following values is considered falsy in JavaScript?
A). 1
B). 0
C). 0
D). {}
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
In JavaScript, what will be the type of a variable x after x = 5 + true;?
A). number
B). string
C). boolean
D). undefined
How can you check if a variable is an array in JavaScript?
A). typeof variable === 'array'
B). Array.isArray(variable)
C). variable instanceof array
D). variable.constructor === array
What is the type of the value returned by JSON.parse('null')?
A). null
B). string
C). object
D). undefined
Given let a = '10'; let b = 20;, what is the result of a + b?
A). 30
B). 1020
C). 30
D). NaN
What is the result of the following code: let x = 5; x = 'hello'; console.log(typeof x);?
A). number
B). string
C). undefined
D). object