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 trim whitespace from the beginning and end of a string?
A). trimStart()
B). trim()
C). trimWhitespace()
D). strip()
Which method is used to find the length of a string?
A). length()
B). len()
C). size()
D). length
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 ends with a specific substring?
A). endsWith()
B). isEnd()
C). hasSuffix()
D). ends()
What is the result of 'Hello'.concat(' ', 'World')?
A). HelloWorld
B). Hello World
C). Hello, World
D). HelloWorld
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
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 string to lowercase in JavaScript?
A). toLower()
B). lowerCase()
C). toLowerCase()
D). toSmall()
How do you check if a string starts with a specific substring?
A). beginsWith()
B). startsWith()
C). isStart()
D). hasPrefix()