How do you trim whitespace from the beginning and end of a string?
A). trimStart()
B). trim()
C). trimWhitespace()
D). strip()
How do you convert a string to lowercase in JavaScript?
A). toLower()
B). lowerCase()
C). toLowerCase()
D). toSmall()
How do you extract a part of a string in JavaScript?
A). slice()
B). substring()
C). substr()
D). All of the above
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 string to uppercase in JavaScript?
A). toUpper()
B). upperCase()
C). toUpperCase()
D). toCaps()
Which method is used to find the length of a string?
A). length()
B). len()
C). size()
D). length
Which method would you use to check if a string contains a specified substring?
A). contains()
B). includes()
C). has()
D). indexOf()
What is the result of 'Hello'.concat(' ', 'World')?
A). HelloWorld
B). Hello World
C). Hello, World
D). HelloWorld
How do you check if a string ends with a specific substring?
A). endsWith()
B). isEnd()
C). hasSuffix()
D). ends()
What is the result of '5' + 2 in JavaScript?
A). 52
B). 7
C). 5
D). Error