Answer & Solution
Answer: Option A
Solution:
JavaScript converts null to the string 'null' and concatenates it with 'apple', resulting in 'applenull'.
Q
What will be the output of 'apple' + null in JavaScript?
Related Questions on Average
What is the result of 5 + null in JavaScript?
A). 5
B). null
C). 0
D). '5'
What will be the output of 5 + ' apples' + 3 in JavaScript?
A). '5 apples3'
B). '8 apples'
C). '53 apples'
D). '5 apples + 3'
How does JavaScript handle the expression 5 + undefined?
A). Converts undefined to NaN and returns NaN
B). Converts 5 to a string and concatenates
C). Throws an error
D). Converts 5 to undefined and returns undefined
How do you concatenate multiple strings and a number in JavaScript?
A). Using the + operator
B). Using the concat() method
C). Using the join() method
D). Using the combine() method
How does JavaScript handle the expression 5 + '3'?
A). Converts 5 to a string and concatenates
B). Converts '3' to a number and adds
C). Throws an error
D). Converts '5' to a number and adds
What is the output of 5 + NaN in JavaScript?
A). NaN
B). 5
C). '5NaN'
D). 0
What is the result of '5' + true in JavaScript?
A). '5true'
B). '6'
C). 6
D). 'true5'
What is the result of 5 + 3 in JavaScript?
A). 8
B). 53
C). '8'
D). 15
How do you add a number and a string in JavaScript to get a string result?
A). string + number.toString()
B). string + number
C). string + Number(number)
D). number + string
How do you add a number and a string in JavaScript to get a numeric result?
A). parseInt(string, 10) + number
B). Number(string) + number
C). string + number
D). number + string