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 does '5' + '3' evaluate to in JavaScript?
A). '53'
B). 8
C). 53
D). '8'
How do you convert a string to a number in JavaScript using the + operator?
A).
B).
C). *string
D). /string
What is the output of 5 + NaN in JavaScript?
A). NaN
B). 5
C). '5NaN'
D). 0
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 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 does '5' + undefined evaluate to in JavaScript?
A). '5undefined'
B). undefined
C). 'NaN'
D). '5'
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
What does 'apple' + 5 evaluate to in JavaScript?
A). 'apple5'
B). 10
C). 'apple10'
D). '5apple'
What will be the output of 5 + ' apples' + 3 in JavaScript?
A). '5 apples3'
B). '8 apples'
C). '53 apples'
D). '5 apples + 3'