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

How do you convert a string to uppercase in JavaScript?

A). toUpper()

B). upperCase()

C). toUpperCase()

D). toCaps()

How do you convert a string to lowercase in JavaScript?

A). toLower()

B). lowerCase()

C). toLowerCase()

D). toSmall()

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 extract a part of a string in JavaScript?

A). slice()

B). substring()

C). substr()

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()

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

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

A). 52

B). 7

C). 5

D). Error

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 result of 'Hello'.concat(' ', 'World')?

A). HelloWorld

B). Hello World

C). Hello, World

D). HelloWorld