Fires when the user presses the F1 key while the browser is the active window.
Syntax
Inline HTML <ELEMENT onhelp = "handler " ... >
All platforms Event property object .onhelp = handler JScript only object .onhelp = GetRef("handler ")Visual Basic Scripting Edition (VBScript) 5.0 or later only Named script
<SCRIPT FOR =
object EVENT = onhelp >
Internet Explorer only
Event Information
Bubbles Yes Cancels Yes To invoke
Press the F1 key. Default action
Firing the onhelp event opens an online Help window.
Event Object Properties
Although event handlers in the DHTML Object Model do not receive parameters directly, a handler can query an event object for data.
Available Properties
altKey
Sets or retrieves a value that indicates the state of the ALT key. altLeft
Sets or retrieves a value that indicates the state of the left ALT key. cancelBubble
Sets or retrieves whether the current event should bubble up the hierarchy of event handlers. clientX
Sets or retrieves the x-coordinate of the mouse pointer's position relative to the client area of the window, excluding window decorations and scroll bars. clientY
Sets or retrieves the y-coordinate of the mouse pointer's position relative to the client area of the window, excluding window decorations and scroll bars. ctrlKey
Sets or retrieves the state of the CTRL key. ctrlLeft
Sets or retrieves the state of the left CTRL key.
offsetX
Sets or retrieves the x-coordinate of the mouse pointer's position relative to the object firing the event. offsetY
Sets or retrieves the y-coordinate of the mouse pointer's position relative to the object firing the event. returnValue
Sets or retrieves the return value from the event. screenX
Retrieves the x-coordinate of the mouse pointer's position relative to the user's screen. screenY
Sets or retrieves the y-coordinate of the mouse pointer's position relative to the user's screen. shiftKey
Sets or retrieves the state of the SHIFT key. shiftLeft
Retrieves the state of the left SHIFT key.
srcElement
Sets or retrieves the object that fired the event. type
Sets or retrieves the event name from the event object. x
Sets or retrieves the x-coordinate, in pixels, of the mouse pointer's position relative to a relatively positioned parent element. y
Sets or retrieves the y-coordinate, in pixels, of the mouse pointer's position relative to a relatively positioned parent element.
Standards Information
There is no public standard that applies to this event.
Applies To
A ,
ADDRESS ,
APPLET ,
AREA ,
B ,
BDO ,
BIG ,
BLOCKQUOTE ,
BUTTON ,
CAPTION ,
CENTER ,
CITE ,
CODE ,
CUSTOM ,
DD ,
DFN ,
DIR ,
DIV ,
DL ,
document ,
DT ,
EM ,
EMBED ,
FIELDSET ,
FONT ,
FORM ,
hn ,
HR ,
I ,
IMG ,
INPUT type=button ,
INPUT type=checkbox ,
INPUT type=file ,
INPUT type=image ,
INPUT type=password ,
INPUT type=radio ,
INPUT type=reset ,
INPUT type=submit ,
INPUT type=text ,
KBD ,
LABEL ,
LEGEND ,
LI ,
LISTING ,
MAP ,
MARQUEE ,
MENU ,
nextID ,
NOBR ,
OL ,
P ,
PLAINTEXT ,
PRE ,
RT ,
RUBY ,
S ,
SAMP ,
SELECT ,
SMALL ,
SPAN ,
STRIKE ,
STRONG ,
SUB ,
SUP ,
TABLE ,
TBODY ,
TD ,
TEXTAREA ,
TFOOT ,
TH ,
THEAD ,
TR ,
TT ,
U ,
UL ,
VAR ,
window ,
XMP
