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Fires when the user presses the F1 key while the client is the active window.
Syntax
| HTML Attribute | <element onhelp = "handler(event)"> |
|---|---|
| Event Property | object.onhelp = handler; |
| attachEvent Method | object.attachEvent("onhelp", handler) |
| addEventListener Method | object.addEventListener("help", handler, useCapture) |
Event information
| Synchronous | No |
|---|---|
| Bubbles | No |
| Cancelable | No |
Event handler parameters
- pEvtObj [in]
-
Type: IHTMLEventObj
Standards information
There are no standards that apply here.
Remarks
Firing the onhelp event opens an online Help window.
To invoke this event, do one of the following:
- Press the F1 key.
The pEvtObj parameter is required for the following interfaces:
- HTMLAnchorEvents2
- HTMLAreaEvents2
- HTMLButtonElementEvents2
- HTMLControlElementEvents2
- HTMLDocumentEvents2
- HTMLElementEvents2
- HTMLFormElementEvents2
- HTMLImgEvents2
- HTMLFrameSiteEvents2
- HTMLInputFileElementEvents2
- HTMLInputImageEvents2
- HTMLInputTextElementEvents2
- HTMLLabelEvents2
- HTMLLinkElementEvents2
- HTMLMapEvents2
- HTMLMarqueeElementEvents2
- HTMLObjectElementEvents2
- HTMLOptionButtonElementEvents2
- HTMLScriptEvents2
- HTMLSelectElementEvents2
- HTMLStyleElementEvents2
- HTMLTableEvents2
- HTMLTextContainerEvents2
- HTMLWindowEvents2
See also
- 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
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Build date: 1/23/2013