Q
How do you trim whitespace from the beginning and end of a string?

Answer & Solution

Answer: Option B
Solution:
The trim() method removes whitespace from both ends of a string.
Related Questions on Average

What does the padStart() method do?

A). Adds padding to the beginning of a string

B). Adds padding to the end of a string

C). Adds padding to both ends of a string

D). Removes padding from the beginning of a string

Which method is used to find the length of a string?

A). length()

B). len()

C). size()

D). length

What is the result of '5' + 2 in JavaScript?

A). 52

B). 7

C). 5

D). Error

How do you repeat a string a specified number of times?

A). loop()

B). repeat()

C). times()

D). replicate()

How do you create a multi-line string in JavaScript?

A). Use single quotes

B). Use double quotes

C). Use backticks

D). Use escape characters

Which method would you use to replace a part of a string with another string?

A). replace()

B). substitute()

C). change()

D). swap()

How do you convert a number to a string in JavaScript?

A). number.toString()

B). number.toText()

C). number.convert()

D). number.string()

Which method would you use to check if a string contains a specified substring?

A). contains()

B). includes()

C). has()

D). indexOf()

How do you extract a part of a string in JavaScript?

A). slice()

B). substring()

C). substr()

D). All of the above

Which method can be used to search for a specified value in a string and return its position?

A). search()

B). find()

C). indexOf()

D). locate()