JavaScript String Object

The String object is used to manipulate a stored piece of text.

Try it Yourself - Examples

Return the length of a string
How to use the length property to find the length of a string.

Style strings
How to style strings.

The indexOf() method
How to use the indexOf() method to return the position of the first occurrence of a specified string value in a string.

The match() method
How to use the match() method to search for a specified string value within a string and return the string value if found

Replace characters in a string - replace()
How to use the replace() method to replace some characters with some other characters in a string.

Complete String Object Reference

For a complete reference of all the properties and methods that can be used with the String object, go to our complete String object reference.

The reference contains a brief description and examples of use for each property and method!

String object

The String object is used to manipulate a stored piece of text.

Examples of use:

The following example uses the length property of the String object to find the length of a string:

The code above will result in the following output:

The following example uses the toUpperCase() method of the String object to convert a string to uppercase letters:

The code above will result in the following output:

Altova® XMLSpy® - The industry-leading XML editor!

Whether you're new to XML or already an advanced user, the user-friendly views and powerful entry helpers, wizards, and debuggers in XMLSpy are designed to meet your XML and Web development needs from start to finish. New features in Version 2010!

XML editor Graphical XML Schema / DTD editors XSLT 1.0/2.0 editor, debugger, profiler XQuery editor, debugger, profiler XBRL validator, taxonomy editor, taxonomy wizard Support for Office Open XML (OOXML) Graphical WSDL 1.1/2.0 editor & SOAP debugger JSON editing & conversion Java, C#, C++ code generation And much more! Download a free trial today!