Navigator Object
The navigator object contains information about the browser.
Note: There is no public standard that applies to the navigator object, but all major browsers support it.
Navigator Object Properties
| Property | Description |
|---|
| appCodeName | Returns the code name of the browser |
| appName | Returns the name of the browser |
| appVersion | Returns the version information of the browser |
| cookieEnabled | Determines whether cookies are enabled in the browser |
| platform | Returns for which platform the browser is compiled |
| userAgent | Returns the user-agent header sent by the browser to the server |
Navigator Object Methods
| Method | Description |
|---|
| javaEnabled() | Specifies whether or not the browser has Java enabled |
| taintEnabled() | Specifies whether or not the browser has data tainting enabled |
Screen Object
The screen object contains information about the visitor's screen.
Note: There is no public standard that applies to the screen object, but all major browsers support it.
Screen Object Properties
| Property | Description |
|---|
| availHeight | Returns the height of the screen (excluding the Windows Taskbar) |
| availWidth | Returns the width of the screen (excluding the Windows Taskbar) |
| colorDepth | Returns the bit depth of the color palette for displaying images |
| height | Returns the total height of the screen |
| pixelDepth | Returns the color resolution (in bits per pixel) of the screen |
| width | Returns the total width of the screen |
History Object
The history object contains the URLs visited by the user (within a browser window).
The history object is part of the window object and is accessed through the window.history property.
Note: There is no public standard that applies to the history object, but all major browsers support it.
History Object Properties
| Property | Description |
|---|
| length | Returns the number of URLs in the history list |
History Object Methods
| Method | Description |
|---|
| back() | Loads the previous URL in the history list |
| forward() | Loads the next URL in the history list |
| go() | Loads a specific URL from the history list |
Location Object
The location object contains information about the current URL.
The location object is part of the window object and is accessed through the window.location property.
Note: There is no public standard that applies to the location object, but all major browsers support it.
Location Object Properties
| Property | Description |
|---|
| hash | Returns the anchor portion of a URL |
| host | Returns the hostname and port of a URL |
| hostname | Returns the hostname of a URL |
| href | Returns the entire URL |
| pathname | Returns the path name of a URL |
| port | Returns the port number the server uses for a URL |
| protocol | Returns the protocol of a URL |
| search | Returns the query portion of a URL |
Location Object Methods
| Method | Description |
|---|
| assign() | Loads a new document |
| reload() | Reloads the current document |
| replace() | Replaces the current document with a new one |
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