What will be the output of 'apple' + null in JavaScript?
A). 'applenull'
B). 'apple'
C). 'null'
D). 'appl'
How do you concatenate two strings in JavaScript?
A). string1.concat(string2)
B). string1 + string2
C). string1.join(string2)
D). string1.combine(string2)
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 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
What is the result of '5' + '3' + 2 in JavaScript?
A). '532'
B). '8'
C). '5'
D). '53'
What will be the output of 5 + ' apples' + 3 in JavaScript?
A). '5 apples3'
B). '8 apples'
C). '53 apples'
D). '5 apples + 3'
What will be the output of 5 + 3 + ' apples' in JavaScript?
A). '8 apples'
B). 8 apples
C). '5 + 3 apples'
D). '53 apples'
What is the result of 5 + 3 in JavaScript?
A). 8
B). 53
C). '8'
D). 15
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 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