String Methods

Question 1

Returns the character at a specified index (position)

Answer 1

charAt()

Question 2

Returns the Unicode of the character at a specified index

Answer 2

charCodeAt()

Question 3

Returns two or more joined strings

Answer 3

concat()

Question 4

Returns the string’s constructor function

Answer 4

constructor

Question 5

Returns if a string ends with a specified value

Answer 5

endsWith()

Question 6

Returns Unicode values as characters

Answer 6

fromCharCode()

Question 7

Returns if a string contains a specified value

Answer 7

includes()

Question 8

Returns the index (position) of the first occurrence of a value in a string

Answer 8

indexOf()

Question 9

Returns the index (position) of the last occurrence of a value in a string

Answer 9

lastIndexOf()

Question 10

Returns the length of a string

Answer 10

length

Question 11

Compares two strings in the current locale

Answer 11

localeCompare()

Question 12

Searches a string for a value, or a regular expression, and returns the matches

Answer 12

match()

Question 13

Allows you to add properties and methods to an object

Answer 13

prototype

Question 14

Returns a new string with a number of copies of a string

Answer 14

repeat()

Question 15

Searches a string for a value, or a regular expression, and returns a string where the values are replaced

Answer 15

replace()

Question 16

Searches a string for a value, or regular expression, and returns the index (position) of the match

Answer 16

search()

Question 17

Extracts a part of a string and returns a new string

Answer 17

slice()

Question 18

Splits a string into an array of substrings

Answer 18

split()

Question 19

Checks whether a string begins with specified characters

Answer 19

startsWith()

Question 20

Extracts a number of characters from a string, from a start index (position)

Answer 20

substr()

Question 21

Extracts characters from a string, between two specified indices (positions)

Answer 21

substring()

Question 22

Returns a string converted to lowercase letters, using the host’s locale

Answer 22

toLocaleLowerCase()

Question 23

Returns a string converted to uppercase letters, using the host’s locale

Answer 23

toLocaleUpperCase()

Question 24

Returns a string converted to lowercase letters

Answer 24

toLowerCase()

Question 25

Returns a string or a string object as a string

Answer 25

toString()

Question 26

Returns a string converted to uppercase letters

Answer 26

toUpperCase()

Question 27

Returns a string with removed whitespaces

Answer 27

trim()

Question 28

Returns the primitive value of a string or a string object

Answer 28

valueOf()