String methods Flashcards
charAt()
Returns the character at the specified index (position).
charCodeAt()
Returns the Unicode of the character at the specified index.
codePointAt()
Returns a non-negative integer that is the Unicode code point value at the given position.
concat()
Joins two or more strings, and returns a new joined strings.
endsWith()
Checks whether a string ends with specified string/characters.
includes()
Checks whether a string contains the specified string/characters.
indexOf()
Returns the position of the first found occurrence of a specified value in a string.
lastIndexOf()
Returns the position of the last found occurrence of a specified value in a string.
localeCompare()
Compares two strings in the current locale.
match()
Searches a string for a match against a regular expression, and returns the matches.
matchAll()
Returns an iterator of all results matching a string against a regular expression.
normalize()
Returns the Unicode Normalization Form of a given string.
padEnd()
Pads the current string with another string (repeated, if needed) until it reaches a given length, starting at the end of the current string.
padStart()
Pads the current string with another string (repeated, if needed) until it reaches a given length, starting at the beginning of the current string.
repeat()
Returns a new string with a specified number of copies of an existing string.
replace()
Searches a string for a value or a regular expression, and returns a new string where the specified values are replaced.
replaceAll()
Returns a new string with all matches of a pattern replaced by a replacement.
search()
Searches a string for a specified value, or regular expression, and returns the position of the match.
slice()
Extracts a part of a string and returns the extracted part in a new string.
split()
Splits a string into an array of substrings.
startsWith()
Checks whether a string begins with specified characters.
substring()
Extracts the characters from a string, between two specified indices.
toLowerCase()
Converts a string to lowercase letters.
toUpperCase()
Converts a string to uppercase letters.
trim()
Removes whitespace from both ends of a string.
trimEnd()
Removes whitespace from the end of a string.
trimStart()
Removes whitespace from the beginning of a string.
valueOf()
Returns the primitive value of a string object.
