JavaScript String Object
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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