JavaScript String Object

The String object is used to work with text.

Examples

The length property
This example returns the number of characters in a string.

The fontcolor() method
This example returns a string in a specified color.

The indexOf() method
This example tests if a string contains a specified word and returns the position of where the word was found.

The match() method
This example tests if a string contains a specified word and returns the word if it was found.

The substr() and substring() methods
This example returns a specified part of a string.

The toLowerCase() and toUpperCase() methods
This example converts a string to lowercase and uppercase.

The String object

The String object is used to work with text.

The String object's properties and methods are described below:

NN: Netscape, IE: Internet Explorer, ECMA: Web Standard

Properties	Explanation	NN	IE	ECMA
length	Returns the number of characters in a string	2.0	3.0	1.0

Methods	Explanation	NN	IE	ECMA
anchor()	Returns a string as an anchor	2.0	3.0
big()	Returns a string in big text	2.0	3.0
blink()	Returns a string blinking	2.0
bold()	Returns a string in bold	2.0	3.0
charAt()	Returns the character at a specified position	2.0	3.0	1.0
charCodeAt()	Returns the Unicode of the character at a specified position	4.0	4.0	1.0
concat()	Returns two concatenated strings	4.0	4.0
fixed()	Returns a string as teletype	2.0	3.0
fontcolor()	Returns a string in a specified color	2.0	3.0
fontsize()	Returns a string in a specified size	2.0	3.0
fromCharCode()	Returns the character value of a Unicode	4.0	4.0
indexOf()	Returns the position of the first occurrence of a specified string inside another string. Returns -1 if it never occurs	2.0	3.0
italics()	Returns a string in italic	2.0	3.0
lastIndexOf()	Returns the position of the first occurrence of a specified string inside another string. Returns -1 if it never occurs. Note: This method starts from the right and moves left!	2.0	3.0
link()	Returns a string as a hyperlink	2.0	3.0
match()	Similar to indexOf and lastIndexOf, but this method returns the specified string, or "null", instead of a numeric value	4.0	4.0
replace()	Replaces some specified characters with some new specified characters	4.0	4.0
search()	Returns an integer if the string contains some specified characters, if not it returns -1	4.0	4.0
slice()	Returns a string containing a specified character index	4.0	4.0
small()	Returns a string as small text	2.0	3.0
split()	Splits a string into an array of strings	4.0	4.0	1.0
strike()	Returns a string strikethrough	2.0	3.0
sub()	Returns a string as subscript	2.0	3.0
substr()	Returns the specified characters. 14,7 returns 7 characters, from the 14th character (starts at 0)	4.0	4.0
substring()	Returns the specified characters. 7,14 returns all characters from the 7th up to but not including the 14th (starts at 0)	2.0	3.0	1.0
sup()	Returns a string as superscript	2.0	3.0
toLowerCase()	Converts a string to lower case	2.0	3.0	1.0
toUpperCase()	Converts a string to upper case	2.0	3.0	1.0

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