Which method would you use to check if a string contains a specified substring?

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()

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

A). HelloWorld

B). Hello World

C). Hello, World

D). HelloWorld

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

A). replace()

B). substitute()

C). change()

D). swap()

What is the use of the String.raw method?

A). To create raw string literals

B). To create a raw copy of a string

C). To create a new string

D). To escape characters

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

A). 52

B). 7

C). 5

D). Error

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 check if a string starts with a specific substring?

A). beginsWith()

B). startsWith()

C). isStart()

D). hasPrefix()

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