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JavaScript String Object

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String Object

The String object let's you work with text.

Syntax

var myStr=new String(string);

String Object Properties

F: Firefox, IE: Internet Explorer

Property Description F IE
constructor Returns a reference to the function that created the object 1 4
length Returns the number of characters in a string 1 3
prototype Allows you to add properties and methods to an object 1 4

String HTML Wrapper Methods

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

Method Description F IE
anchor() Creates an HTML anchor 1 3
big() Creates a string in a big font 1 3
blink() Creates a blinking string 1  
bold() Creates a string in bold 1 3
fixed() Creates a string as teletype text 1 3
fontcolor() Creates a string in a specified color 1 3
fontsize() Creates a string in a specified size 1 3
italics() Creates a string in italic 1 3
link() Creates a string as a hyperlink 1 3
small() Creates a string in a small font 1 3
strike() Creates a string with a strikethrough 1 3
sub() Creates a string as subscript 1 3
sup() Creates a string as superscript 1 3

String Object Methods

Method Description F IE
charAt() Returns the character at the specified position in a string 1 3
charCodeAt() Returns the Unicode of the character at the specified position in a string 1 4
concat() Joins two or more strings 1 4
fromCharCode() Converts Unicode values to characters 1 4
indexOf() Returns the position of the first found occurrence of a specified value in a string 1 3
lastIndexOf() Returns the position of the last found occurrence of a specified value in a string 1 3
match() Searches for a match between a regular expression and a string, and returns the matches 1 4
replace() Searches for a match between a substring (or regular expression) and a string, and replaces the matched substring with a new substring 1 4
search() Searches for a match between a regular expression and a string, and returns the position of the match 1 4
slice() Extracts a part of a string and returns a new string 1 4
split() Splits a string into an array of substrings 1 4
substr() Extracts a specified number of characters in a string 1 4
substring() Extracts the characters in a string between two specified indices 1 3
toLowerCase() Converts a string to lowercase letters 1 3
toUpperCase() Converts a string to uppercase letters 1 3
toSource() Represents the source code of an object 1 -
valueOf() Returns the primitive value of a String object 1 4

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