How do you convert a number to a string in JavaScript?

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

A). loop()

B). repeat()

C). times()

D). replicate()

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

A). HelloWorld

B). Hello World

C). Hello, World

D). HelloWorld

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

A). length()

B). len()

C). size()

D). length

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

A). slice()

B). substring()

C). substr()

D). All of the above

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 trim whitespace from the beginning and end of a string?

A). trimStart()

B). trim()

C). trimWhitespace()

D). strip()

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

How do you convert a string to uppercase in JavaScript?

A). toUpper()

B). upperCase()

C). toUpperCase()

D). toCaps()

What is the result of '5' + 2 in JavaScript?

A). 52

B). 7

C). 5

D). Error

How do you create a multi-line string in JavaScript?

A). Use single quotes

B). Use double quotes

C). Use backticks

D). Use escape characters