JavaScript: The Definitive Guide, 6th Edition

Name

String — support for strings

Inherits from

Object → String

Constructor

new String(s) // Constructor function
String(s)     // Conversion function

Arguments

s

The value to be stored in a String object or converted to a primitive string.

Returns

When String() is used as a constructor with the new operator, it returns a String object, which holds the string s or the string representation of s. When the String() constructor is used without the new operator, it simply converts s to a primitive string and returns the converted value.

Properties

length

The number of characters in the string.

Methods

charAt()

Extracts the character at a given position from a string.

charCodeAt()

Returns the encoding of the character at a given position in a string.

concat()

Concatenates one or more values to a string.

indexOf()

Searches the string for a character or substring.

lastIndexOf()

Searches the string backward for a character or substring.

localeCompare()

Compares strings using locale-specific ordering.

match()

Performs pattern matching with a regular expression.

replace()

Performs a search-and-replace operation with a regular expression.

search()

Searches a string for a substring that matches a regular expression.

slice()

Returns a slice or substring of a string.

split()

Splits a string into an array of strings, breaking at a specified delimiter string or regular expression.

substr()

Extracts a substring of a string; a variant of substring().

substring()

Extracts a substring of a string.

toLowerCase()

Returns a copy of the string, with ...