How do you convert a string to lowercase in JavaScript?

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

A). trimStart()

B). trim()

C). trimWhitespace()

D). strip()

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

A). contains()

B). includes()

C). has()

D). indexOf()

What does the charAt() method do?

A). Returns the ASCII value of a character

B). Returns the Unicode value of a character

C). Returns the character at a specified index

D). Returns the first character in a string

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

A). beginsWith()

B). startsWith()

C). isStart()

D). hasPrefix()

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 replace a part of a string with another string?

A). replace()

B). substitute()

C). change()

D). swap()

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

A). loop()

B). repeat()

C). times()

D). replicate()

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

A). slice()

B). substring()

C). substr()

D). All of the above

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

A). length()

B). len()

C). size()

D). length

What is the result of 'Hello'.concat(' ', 'World')?

A). HelloWorld

B). Hello World

C). Hello, World

D). HelloWorld