String

The String object is used to represent and manipulate a sequence of characters.

Description

Strings are useful for holding data that can be represented in text form. Some of the most-used operations on strings are to check their length, to build and concatenate them using the + and += string operators, checking for the existence or location of substrings with the indexOf() method, or extracting substrings with the substring() method.

Creating strings Strings can be created as primitives, from string literals, or as objects, using the String()constructor: