This UDF requires the FireFox-AddOn MozRepl.
The following is a list of all functions of the FF.au3.
| User Defined Function | Description |
| _FFAction | Some standard actions to work with FireFox |
| _FFAu3Option | Sets and get options for the FF.au3 |
| _FFClick | Simulates a click on an element. |
| _FFCmd | Send and receive data from Firefox. |
| _FFConnect | Connects to FireFox / MozRepl |
| _FFDialogWait | Waits for a browser-dialog-message (e.g. alert) and closes it. |
| _FFDisConnect | Disconnects from FireFox |
| _FFDispatchEvent | Simulates a HTML event |
| _FFFormCheckBox | Checks or unchecks a CheckBox in a form. |
| _FFFormGetElementsLength | Length of the form elements |
| _FFFormOptionSelect | Selects an element of an OptionSelect. |
| _FFFormRadioButton | Selects a RadioButton in a form |
| _FFFormReset | Resets a form |
| _FFFormSubmit | Submits a form |
| _FFFrameEnter | Selects a frame, which all subsequent commands apply on. |
| _FFFrameLeave | Leaves the currently entered frame |
| _FFGetLength | Returns the length of the elements in $sMode |
| _FFGetObjectInfo | Returns a 2-dimensional array with every information of an object. |
| _FFGetPosition | Returns an array with the position of an element and/or the position and size of the FireFox content area, relative to the client area of the window |
| _FFGetValue | Gets an value of an element |
| _FFImageClick | Clicks an image-link. |
| _FFImageMapClick | Clicks on area of an image-map |
| _FFImagesGetBySize | Returns an array with the index of matching images. |
| _FFIsConnected | Connection status to FireFox / MozRepl |
| _FFLinkClick | Simulates a click on a link. |
| _FFLinksGetAll | Returns an array with informations about all existing links. |
| _FFLoadWait | Wait while the page is loading. |
| _FFObj | Returns or sets an value of an attribute. |
| _FFObjDelete | Deletes an object in FireFox. |
| _FFObjGet | Returns an object (string to use with the other _FFObj* functions) |
| _FFObjNew | Creates a new object in FireFox. |
| _FFOpenURL | Opens a new URL |
| _FFPrefGet | Gets a config entry |
| _FFPrefReset | Resets a config entry |
| _FFPrefSet | Sets a config entry |
| _FFQuit | Quits FireFox |
| _FFReadHTML | Returns the HTML-source code of a page. |
| _FFReadText | Returns the text of a page. |
| _FFSearch | Searches a string |
| _FFSetValue | Sets a value of an element |
| _FFStart | Starts FireFox |
| _FFTabAdd | Opens a new tab. |
| _FFTabClose | Closes one or all existing tabs. |
| _FFTabDuplicate | Duplicates a tab |
| _FFTabExists | Checks if a tab exists |
| _FFTabGetSelected | Returns the name or the index of the selected tab. |
| _FFTabSetSelected | Select a tab |
| _FFTableWriteToArray | Writes a HTML-table to an array |
| _FFWindowClose | Closes a browser window |
| _FFWindowGetHandle | Returns the window-handle (hwnd) from the current browser-window. |
| _FFWindowOpen | Opens a new browser window |
| _FFWindowSelect | Selects the active window for all other functions |
| _FFWriteHTML | Replaces the html of body element |
| _FFXPath | Returns and sets values due to a XPath-query. |
| Global variables | |
| XUL-Shortcuts | Shortcuts for XUL-adresses. |