In HTML 4.0 Event attributes
New to HTML 4.0 is the ability to let HTML events trigger actions in the browser, like starting a javascript when a user clicks on an HTML element. below is a list of attributes that can be inserted into HTML tags to define event actions.
Window events
Only valid in body and frameset elements.
| Attribute |
Value |
Description |
| Onload |
Script |
Script to be run when a document Loads |
| OnUnload |
Script |
Script to be run when a document unloads |
Form element events
Only valid in form elements.
| Attribute |
Value |
Description |
| Onchange |
Script |
Script to be run when the element changes |
| Onsubmit |
Script |
Script to be run when the form is submitted |
| Onreset |
Script |
Script to be run when the form is reset |
| Onselect |
Script |
Script to be run when the element is selected |
| Onblur |
Script |
Script to be run when the element loses focus |
| Onfocus |
Script |
Script to be run when the element gets focus |
Keyboard Events
Not valid in base, BDO, BR, frame, frameset, Head, HTML, IFRAME, Meta, Param, script, style, and title elements.
| Attribute |
Value |
Description |
| Onkeydown |
Script |
What to do when key is pressed |
| Onkeypress |
Script |
What to do when key is pressed and released |
| Onkeyup |
Script |
What to do when key is released |
Mouse events
Not valid in base, BDO, BR, frame, frameset, Head, HTML, IFRAME, Meta, Param, script, style, title elements.
| Attribute |
Value |
Description |
| Onclick |
Script |
What to do on a mouse click |
| Ondblclick |
Script |
What to do on a mouse double-click |
| Onmousedown |
Script |
What to do when mouse button is pressed |
| Onmousemove |
Script |
What to do when mouse pointer moves |
| Onmouseout |
Script |
What to do when mouse pointer moves out of an element |
| Onmouseover |
Script |
What to do when mouse pointer moves over an element |
| Onmouseup |
Script |
What to do when mouse button is released |
Attribute Definitions
-
- Onload=
Script[CT]
-
-
The OnloadEvent occurs when the user agent finishes loading a window or all frames within Frameset. This attribute may be used BodyAnd FramesetElements.
-
- OnUnload=
Script[CT]
-
-
The OnUnloadEvent occurs when the user agent removes a document from a window or frame. This attribute may be used BodyAnd FramesetElements.
-
- Onclick=
Script[CT]
-
-
The OnclickEvent occurs when the pointing device button is clicked over an element. This attribute may be used with most elements.
-
- Ondblclick=
Script[CT]
-
-
The OndblclickEvent occurs when the pointing device button is double clicked over an element. This attribute may be used with most elements.
-
- Onmousedown=
Script[CT]
-
-
The OnmousedownEvent occurs when the pointing device button is pressed over an element. This attribute may be used with most elements.
-
- Onmouseup=
Script[CT]
-
-
The OnmouseupEvent occurs when the pointing device button is released over an element. This attribute may be used with most elements.
-
- Onmouseover=
Script[CT]
-
-
The OnmouseoverEvent occurs when the pointing device is moved onto an element. This attribute may be used with most elements.
-
- Onmousemove=
Script[CT]
-
-
The OnmousemoveEvent occurs when the pointing device is moved while it is over an element. This attribute may be used with most elements.
-
- Onmouseout=
Script[CT]
-
-
The OnmouseoutEvent occurs when the pointing device is moved away from an element. This attribute may be used with most elements.
-
- Onfocus=
Script[CT]
-
-
The OnfocusEvent occurs when an element has es focus either by the pointing device or by tabbing navigation. This attribute may be used with the following elements: A, Area, Label, Input, Select, Textarea, And Button.
-
- Onblur=
Script[CT]
-
-
The OnblurEvent occurs when an element loses focus either by the pointing device or by tabbing navigation. It may be used with the same elements Onfocus.
-
- Onkeypress=
Script[CT]
-
-
The OnkeypressEvent occurs when a key is pressed and released over an element. This attribute may be used with most elements.
-
- Onkeydown=
Script[CT]
-
-
The OnkeydownEvent occurs when a key is pressed down over an element. This attribute may be used with most elements.
-
- Onkeyup=
Script[CT]
-
-
The OnkeyupEvent occurs when a key is released over an element. This attribute may be used with most elements.
-
- Onsubmit=
Script[CT]
-
-
The OnsubmitEvent occurs when a form is submitted. It only applies to FormElement.
-
- Onreset=
Script[CT]
-
-
The OnresetEvent occurs when a form is reset. It only applies to FormElement.
-
- Onselect=
Script[CT]
-
-
The OnselectEvent occurs when a user selects some text in a text field. This attribute may be used with InputAnd TextareaElements.
-
- Onchange=
Script[CT]
-
-
The OnchangeEvent occurs when a control loses the input focus
AndIts value has been modified since gaining focus. This attribute applies to the following elements: Input, Select, And Textarea.
Ref:
Http://www.w3.org/TR/REC-html40/interact/scripts.html
Http://www.w3schools.com/Html/html_eventattributes.asp
Http://msdn.microsoft.com/en-us/library/ms533051.aspx
