What does '5' + undefined evaluate to in JavaScript?
A). '5undefined'
B). undefined
C). 'NaN'
D). '5'
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
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 + 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
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
What will be the output of 5 + 3 + ' apples' in JavaScript?
A). '8 apples'
B). 8 apples
C). '5 + 3 apples'
D). '53 apples'
How do you concatenate two strings in JavaScript?
A). string1.concat(string2)
B). string1 + string2
C). string1.join(string2)
D). string1.combine(string2)
What does '5' + '3' evaluate to in JavaScript?
A). '53'
B). 8
C). 53
D). '8'
What is the result of '5' + '3' + 2 in JavaScript?
A). '532'
B). '8'
C). '5'
D). '53'