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

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

Which method can be used to search for a specified value in a string and return its position?

A). search()

B). find()

C). indexOf()

D). locate()

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 check if a string contains a specified substring?

A). contains()

B). includes()

C). has()

D). indexOf()

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

A). length()

B). len()

C). size()

D). length

What does the padStart() method do?

A). Adds padding to the beginning of a string

B). Adds padding to the end of a string

C). Adds padding to both ends of a string

D). Removes padding from the beginning of a string

Which method would you use to replace a part of a string with another string?

A). replace()

B). substitute()

C). change()

D). swap()

What does the split() method do?

A). Splits a string into characters

B). Splits a string into an array of substrings

C). Divides a string into two parts

D). Cuts a string in half

How do you check if a string ends with a specific substring?

A). endsWith()

B). isEnd()

C). hasSuffix()

D). ends()

How do you trim whitespace from the beginning and end of a string?

A). trimStart()

B). trim()

C). trimWhitespace()

D). strip()