How do you concatenate two strings in JavaScript?
A). string1.concat(string2)
B). string1 + string2
C). string1.join(string2)
D). string1.combine(string2)
What is the result of 5 + null in JavaScript?
A). 5
B). null
C). 0
D). '5'
How do you convert a string to a number in JavaScript before adding it to another number?
A). Number(string)
B). parseInt(string, 10)
C). string.toNumber()
D). string.convertToNumber()
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 + 3 + ' apples' in JavaScript?
A). '8 apples'
B). 8 apples
C). '5 + 3 apples'
D). '53 apples'
What does 'apple' + 5 evaluate to in JavaScript?
A). 'apple5'
B). 10
C). 'apple10'
D). '5apple'
What is the result of 5 + 3 in JavaScript?
A). 8
B). 53
C). '8'
D). 15
What does '5' + 3 evaluate to in JavaScript?
A). '53'
B). 8
C). 53
D). '8'
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 result of '5' + true in JavaScript?
A). '5true'
B). '6'
C). 6
D). 'true5'