onhelp Event

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 (compatible with ECMA 262 language specification) only

Named script <SCRIPT FOR = object EVENT = onhelp> Internet Explorer only

Inline HTML	<ELEMENT onhelp = "handler" ... >	All platforms
Event property	object.onhelp = handler	JScript (compatible with ECMA 262 language specification) only
Named script	<SCRIPT FOR = object EVENT = onhelp>	Internet Explorer only

Remarks

Bubbles Yes

Cancels Yes

To invoke Press the F1 key.

Default action Firing the onhelp event opens an online Help window.

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 document object model do not receive parameters directly, the handler can query the event object for data.
Event Object Properties

cancelBubble Sets or retrieves whether the current event should bubble up the hierarchy of event handlers.

clientX Retrieves the x-coordinate of the mouse cursor relative to the client area of the window, excluding window decorations or scroll bars.

clientY Retrieves the y-coordinate of the mouse cursor relative to the client area of the window, excluding window decorations or scroll bars.

ctrlKey Retrieves the state of the CTRL key.

offsetX Retrieves the horizontal coordinate of the mouse's position relative to the object firing the event.

offsetY Retrieves the vertical coordinate of the mouse's position relative to the object firing the event.

returnValue Sets or retrieves the return value from the event.

screenX Retrieves the horizontal position of the mouse, in pixels, relative to the user's screen.

screenY Retrieves the vertical position of the mouse, in pixels, relative to the user's screen.

shiftKey Retrieves the state of the SHIFT key.

srcElement Retrieves the object that fired the event.

type Retrieves the event name from the event object.

x Retrieves the x-coordinate of the mouse cursor relative to the parent element.

y Retrieves the y-coordinate of the mouse cursor relative to the parent element.

cancelBubble	Sets or retrieves whether the current event should bubble up the hierarchy of event handlers.
clientX	Retrieves the x-coordinate of the mouse cursor relative to the client area of the window, excluding window decorations or scroll bars.
clientY	Retrieves the y-coordinate of the mouse cursor relative to the client area of the window, excluding window decorations or scroll bars.
ctrlKey	Retrieves the state of the CTRL key.
offsetX	Retrieves the horizontal coordinate of the mouse's position relative to the object firing the event.
offsetY	Retrieves the vertical coordinate of the mouse's position relative to the object firing the event.
returnValue	Sets or retrieves the return value from the event.
screenX	Retrieves the horizontal position of the mouse, in pixels, relative to the user's screen.
screenY	Retrieves the vertical position of the mouse, in pixels, relative to the user's screen.
shiftKey	Retrieves the state of the SHIFT key.
srcElement	Retrieves the object that fired the event.
type	Retrieves the event name from the event object.
x	Retrieves the x-coordinate of the mouse cursor relative to the parent element.
y	Retrieves the y-coordinate of the mouse cursor relative to the parent element.

Applies To

[ Object Name ]

Platform Version

Win16:

Win32:

Mac:

Unix:

WinCE:

Version data is listed when the mouse hovers over a link, or the link has focus.

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