Q
What is the result of '5' + 3 in JavaScript?

Answer & Solution

Answer: Option A
Solution:
The + operator converts the number 3 to a string and concatenates it with '5', resulting in '53'.
Related Questions on Average

How do you extract parts of a string and join them together in JavaScript?

A). string.slice(start, end)

B). string.extract(start, end)

C). string.split(start, end)

D). string.join(start, end)

What does the .toLowerCase() method do in JavaScript?

A). Converts all characters to lowercase

B). Converts all characters to uppercase

C). Trims leading and trailing whitespace

D). Converts string to a boolean

How do you extract a part of a string and replace it with another substring in JavaScript?

A). string.replace(oldSubstring, newSubstring)

B). string.extractReplace(old, new)

C). string.modify(old, new)

D). string.substitute(old, new)

What does the .substring() method do in JavaScript?

A). Extracts characters between two indices

B). Trims whitespace from the beginning

C). Converts string to an array

D). Compares two strings

How do you check if a string starts with a specific substring in JavaScript?

A). string.startsWith(substring)

B). string.startsWithWith(substring)

C). string.beginsWith(substring)

D). string.starts(substring)

What is the result of 'apple'.charAt(2) in JavaScript?

A). 'p'

B). 'l'

C). 'a'

D). 'pp'

Which method can you use to check if a string includes a specific substring in JavaScript?

A). .includes()

B). .contains()

C). .hasSubstring()

D). .indexOf()

Which operator can be used to combine a string with a number in JavaScript?

A). +

B). -

C). *

D). /

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 convert a string to uppercase in JavaScript?

A). string.toUpperCase()

B). string.uppercase()

C). string.toUppercase()

D). string.upperCase()