What is the result of 'Hello'.substring(0, 3) in JavaScript?

What does the + operator do with strings?

A). Concatenates strings

B). Compares strings

C). Trims strings

D). Converts strings to uppercase

What is the result of 'hello'.toUpperCase().toLowerCase() in JavaScript?

A). 'hello'

B). 'HELLO'

C). 'Hello'

D). 'hello'

What is the result of 'apple'.charAt(2) in JavaScript?

A). 'p'

B). 'l'

C). 'a'

D). 'pp'

Which method can you use to check if a string includes a specific substring in JavaScript?

A). .includes()

B). .contains()

C). .hasSubstring()

D). .indexOf()

What does the .toLowerCase() method do in JavaScript?

A). Converts all characters to lowercase

B). Converts all characters to uppercase

C). Trims leading and trailing whitespace

D). Converts string to a boolean

How do you extract parts of a string and join them together in JavaScript?

A). string.slice(start, end)

B). string.extract(start, end)

C). string.split(start, end)

D). string.join(start, end)

What does the .substring() method do in JavaScript?

A). Extracts characters between two indices

B). Trims whitespace from the beginning

C). Converts string to an array

D). Compares two strings

What is the correct way to compare two strings in JavaScript for equality?

A). string1 == string2

B). string1.compare(string2)

C). string1.equals(string2)

D). string1 === string2

How do you concatenate two strings in JavaScript?

A). string1.concat(string2)

B). string1 + string2

C). string1.join(string2)

D). string1.combine(string2)

How do you find the length of a string in JavaScript?

A). string.length

B). string.size

C). string.length()

D). lengthOf(string)