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

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 check if a string ends with a specific substring?

A). endsWith()

B). isEnd()

C). hasSuffix()

D). ends()

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

A). length()

B). len()

C). size()

D). length

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

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 convert a string to uppercase in JavaScript?

A). toUpper()

B). upperCase()

C). toUpperCase()

D). toCaps()

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

A). HelloWorld

B). Hello World

C). Hello, World

D). HelloWorld

How do you convert a string to lowercase in JavaScript?

A). toLower()

B). lowerCase()

C). toLowerCase()

D). toSmall()

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

A). replace()

B). substitute()

C). change()

D). swap()

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