String Object Overview

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

Creating a String Object

To create a String object, use the new keyword and assign the result to a variable.

The following example creates a String object named 'myString':

var myString = new String(string);

or

var myString = string;

Property	Description
`constructor`	Returns the function that created the object's prototype
`length`	Returns the length of a string
`prototype`	Allows addition of properties and methods to an object

Method	Description
`charAt()`	Returns the character at the specified index
`charCodeAt()`	Returns the Unicode of the character at the specified index
`concat()`	Joins two or more strings, and returns a copy of the joined strings
`fromCharCode()`	Converts Unicode values to 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
`match()`	Searches for a match between a regular expression and a string, and returns the matches
`replace()`	Searches for a match between a substring (or regular expression) and a string, and replaces the matched substring with a new substring
`search()`	Searches for a match between a regular expression and a string, and returns the position of the match
`slice()`	Extracts a part of a string and returns a new string
`split()`	Splits a string into an array of substrings
`substr()`	Extracts the characters from a string, beginning at a specified start position, and through the specified number of character
`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
`valueOf()`	Returns the primitive value of a String object

The HTML wrapper methods return the string wrapped inside the appropriate HTML tag.

Method	Description
`anchor()`	Creates an anchor
`big()`	Displays a string using a big font
`blink()`	Displays a blinking string
`bold()`	Displays a string in bold
`fixed()`	Displays a string using a fixed-pitch font
`fontcolor()`	Displays a string using a specified color
`fontsize()`	Displays a string using a specified size
`italics()`	Displays a string in italic
`link()`	Displays a string as a hyperlink
`small()`	Displays a string using a small font
`strike()`	Displays a string with a strikethrough
`sub()`	Displays a string as subscript text
`sup()`	Displays a string as superscript text