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

How do you convert a string to lowercase in JavaScript?

A). toLower()

B). lowerCase()

C). toLowerCase()

D). toSmall()

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

A). contains()

B). includes()

C). has()

D). indexOf()

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

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

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

A). 52

B). 7

C). 5

D). Error

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 convert a number to a string in JavaScript?

A). number.toString()

B). number.toText()

C). number.convert()

D). number.string()

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