Manipulating strings with JavaScript

Manipulating string values is a common developer chore. This ranges from extracting portions of a string to determining if a string contains a specific character. 

Strings are objects within the JavaScript language and are not stored as character arrays, so built-in functions are be used to manipulate their values. The functions provide various ways to access the contents of a string variable.

JavaScript has matured into a full-featured language that makes it possible to build powerful applications. It is the perfect complement to the disconnected nature of the Web interface, making it possible to perform many client-side operations without a trip to the Web server.

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