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

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 create a multi-line string in JavaScript?

A). Use single quotes

B). Use double quotes

C). Use backticks

D). Use escape characters

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

A). number.toString()

B). number.toText()

C). number.convert()

D). number.string()

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

A). replace()

B). substitute()

C). change()

D). swap()

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()

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

A). 52

B). 7

C). 5

D). Error

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

A). slice()

B). substring()

C). substr()

D). All of the above

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

A). length()

B). len()

C). size()

D). length

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 declare a string in JavaScript?

A). var str = 'Hello';

B). var str = 'Hello';

C). var str = Hello;

D). All of the above