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 convert a number to a string in JavaScript?
A). number.toString()
B). number.toText()
C). number.convert()
D). number.string()
What is the result of 'Hello'.concat(' ', 'World')?
A). HelloWorld
B). Hello World
C). Hello, World
D). HelloWorld
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()
Which method is used to find the length of a string?
A). length()
B). len()
C). size()
D). length
How do you declare a string in JavaScript?
A). var str = 'Hello';
B). var str = 'Hello';
C). var str = Hello;
D). All of the above
What is the result of '5' + 2 in JavaScript?
A). 52
B). 7
C). 5
D). Error
What is the use of the String.raw method?
A). To create raw string literals
B). To create a raw copy of a string
C). To create a new string
D). To escape characters
How do you check if a string starts with a specific substring?
A). beginsWith()
B). startsWith()
C). isStart()
D). hasPrefix()