What is the result of '5' + 2 in JavaScript?
A). 52
B). 7
C). 5
D). Error
What is the result of 'Hello'.concat(' ', 'World')?
A). HelloWorld
B). Hello World
C). Hello, World
D). HelloWorld
How do you convert a string to lowercase in JavaScript?
A). toLower()
B). lowerCase()
C). toLowerCase()
D). toSmall()
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 uppercase in JavaScript?
A). toUpper()
B). upperCase()
C). toUpperCase()
D). toCaps()
How do you extract a part of a string in JavaScript?
A). slice()
B). substring()
C). substr()
D). All of the above
How do you repeat a string a specified number of times?
A). loop()
B). repeat()
C). times()
D). replicate()
How do you check if a string ends with a specific substring?
A). endsWith()
B). isEnd()
C). hasSuffix()
D). ends()
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()