Event trigger list and explanation in HTML

General events
Event	Browser support	Description
OnClick	HTML: 2 | 3 | 3.2 |4 Browser:IE3|N2|O3	Click an event.
OnDblClick	HTML: 2 | 3 | 3.2 |4 Browser:IE4|N4| O	Double-click event
OnMouseDown	HTML: 2 | 3 | 3.2 |4 Browser:IE4|N4| O	The button on the mouse is pressed.
OnMouseUp	HTML: 2 | 3 | 3.2 |4 Browser:IE4|N4| O	Events triggered when the mouse is pressed and released
OnMouseOver	HTML: 2 | 3 | 3.2 |4 Browser:IE3|N2|O3	Event triggered when you move the cursor over an object range
OnMouseMove	HTML: 2 | 3 | 3.2 |4 Browser:IE4|N4| O	Events triggered when you move the mouse
OnMouseOut	HTML: 2 | 3 | 3.2 |4 Browser:IE4|N3|O3	Event triggered when the mouse leaves the range of an object
OnKeyPress	HTML: 2 | 3 | 3.2 |4 Browser:IE4|N4| O	Events triggered when a key on the keyboard is pressed and released. [Note: the page must contain focused objects]
OnKeyDown	HTML: 2 | 3 | 3.2 |4 Browser:IE4|N4| O	Events triggered when a key is pressed on the keyboard [NOTE: The page must contain focused objects]
OnKeyUp	HTML: 2 | 3 | 3.2 |4 Browser:IE4|N4| O	Events triggered when a button on the keyboard is pressed and opened [NOTE: The page must contain focused objects]
Page related events
Event	Browser support	Description
OnAbort	HTML: 1 | 3 | 3.2 | 4 Browser:IE4|N3| O	The image is interrupted by the user during download.
OnBeforeUnload	HTML: 1 | 3 | 3.2 | 4 Browser:IE4| N | O	Events triggered when the content of the current page is about to be changed
OnError	HTML: 1 | 3 | 3.2 | 4 Browser:IE4|N3| O	Capture errors on the current page for some reason, such as script errors and external data references.
OnLoad	HTML: 2 | 3 | 3.2 |4 Browser:IE3|N2|O3	Events triggered when an empty page is sent to the browser, including external file Introduction
OnMove	HTML: 1 | 3 | 3.2 | 4 Browser: IE |N4| O	Events triggered when the browser window is moved
OnResize	HTML: 1 | 3 | 3.2 | 4 Browser:IE4|N4| O	Events triggered when the browser window size is changed
OnScroll	HTML: 1 | 3 | 3.2 | 4 Browser:IE4| N | O	Events triggered when the browser's scroll bar position changes
OnStop	HTML: 1 | 3 | 3.2 | 4 Browser:IE5| N | O	Events triggered when the browser stop button is pressed or files being downloaded are interrupted
OnUnload	HTML: 2 | 3 | 3.2 |4 Browser:IE3|N2|O3	Events triggered when the current page is changed
Form-related events
Event	Browser support	Description
OnBlur	HTML: 2 | 3 | 3.2 |4 Browser:IE3|N2|O3	Events triggered when the current element loses focus [both mouse and keyboard triggers]
OnChange	HTML: 2 | 3 | 3.2 |4 Browser:IE3|N2|O3	Events triggered when the current element loses focus and the element content changes [both mouse and keyboard triggers]
OnFocus	HTML: 2 | 3 | 3.2 |4 Browser:IE3|N2|O3	Event triggered when an element gets focus
OnReset	HTML: 2 | 3 | 3.2 |4 Browser:IE4|N3|O3	Events triggered when the RESET attribute in the form is fired
OnSubmit	HTML: 2 | 3 | 3.2 |4 Browser:IE3|N2|O3	Events triggered when a form is submitted
Rolling subtitle events
Event	Browser support	Description
OnBounce	HTML: 1 | 3 | 3.2 | 4 Browser:IE4| N | O	Events triggered when content in Marquee is moved out of the Marquee display range
OnFinish	HTML: 1 | 3 | 3.2 | 4 Browser:IE4| N | O	Event triggered when the Marquee element completes the content to be displayed
OnStart	HTML: 1 | 3 | 3.2 | 4 Browser:IE4| N | O	Events triggered when the Marquee element starts to display content
Edit event
Event	Browser support	Description
OnBeforeCopy	HTML: 1 | 3 | 3.2 | 4 Browser:IE5| N | O	Events triggered when the selected content on the page is to be copied to the viewer's clipboard
OnBeforeCut	HTML: 1 | 3 | 3.2 | 4 Browser:IE5| N | O	Events triggered when part or all of the content on the page is removed from the current page [clipboard] and moved to the browser's system clipboard
OnBeforeEditFocus	HTML: 1 | 3 | 3.2 | 4 Browser:IE5| N | O	The current element is about to enter the editing status.
OnBeforePaste	HTML: 1 | 3 | 3.2 | 4 Browser:IE5| N | O	The event that is triggered when the content is to be transferred [pasted] to the page from the browser's system clipboard
OnBeforeUpdate	HTML: 1 | 3 | 3.2 | 4 Browser:IE5| N | O	The target object is notified when the viewer pastes the content in the system clipboard.
OnContextMenu	HTML: 1 | 3 | 3.2 | 4 Browser:IE5| N | O	Events triggered when the viewer presses the right-click menu or triggers the page menu by pressing the keyboard button [try adding onContentMenu = "return false" to <body> On the page to disable the use right-click]
OnCopy	HTML: 1 | 3 | 3.2 | 4 Browser:IE5| N | O	Events triggered when the selected content on the page is copied
OnCut	HTML: 1 | 3 | 3.2 | 4 Browser:IE5| N | O	Event triggered when the selected content on the page is cut
OnDrag	HTML: 1 | 3 | 3.2 | 4 Browser:IE5| N | O	Event [activity event] triggered when an object is dragged
OnDragDrop	HTML: 1 | 3 | 3.2 | 4 Browser: IE |N4| O	An external object is dragged to the current window or frame by the mouse
OnDragEnd	HTML: 1 | 3 | 3.2 | 4 Browser:IE5| N | O	The event triggered when the mouse is dragged to the end, that is, the mouse button is released.
OnDragEnter	HTML: 1 | 3 | 3.2 | 4 Browser:IE5| N | O	Event triggered when an object that is dragged by the mouse enters its container range
OnDragLeave	HTML: 1 | 3 | 3.2 | 4 Browser:IE5| N | O	Event triggered when an object that is dragged by the mouse leaves its container range
OnDragOver	HTML: 1 | 3 | 3.2 | 4 Browser:IE5| N | O	Event [activity event] triggered when a dragged object is dragged within the range of another object container
OnDragStart	HTML: 1 | 3 | 3.2 | 4 Browser:IE4| N | O	Event triggered when an object is dragged
OnDrop	HTML: 1 | 3 | 3.2 | 4 Browser:IE5| N | O	The event triggered when the mouse key is released during a drag process.
OnLoseCapture	HTML: 1 | 3 | 3.2 | 4 Browser:IE5| N | O	Event triggered when an element loses its focus.
OnPaste	HTML: 1 | 3 | 3.2 | 4 Browser:IE5| N | O	Events triggered when the content is pasted
OnSelect	HTML: 2 | 3 | 3.2 |4 Browser:IE4| N | O	Event when text content is selected
OnSelectStart	HTML: 1 | 3 | 3.2 | 4 Browser:IE4| N | O	Event triggered when the text content is selected
Data Binding
Event	Browser support	Description
OnAfterUpdate	HTML: 1 | 3 | 3.2 | 4 Browser:IE4| N | O	Event triggered when data is transferred from a data source to an object.
OnCellChange	HTML: 1 | 3 | 3.2 | 4 Browser:IE5| N | O	When the data source changes
OnDataAvailable	HTML: 1 | 3 | 3.2 | 4 Browser:IE4| N | O	Event triggered when data reception is complete
OnDatasetChanged	HTML: 1 | 3 | 3.2 | 4 Browser:IE4| N | O	Events triggered when data sources change
OnDatasetComplete	HTML: 1 | 3 | 3.2 | 4 Browser:IE4| N | O	Event triggered when all valid data of the Child data source is read
OnErrorUpdate	HTML: 1 | 3 | 3.2 | 4 Browser:IE4| N | O	When the onBeforeUpdate event is used to trigger the cancellation of data transfer, the onAfterUpdate event is replaced
OnRowEnter	HTML: 1 | 3 | 3.2 | 4 Browser:IE5| N | O	Events triggered when the data in the current data source changes and new valid data exists
OnRowExit	HTML: 1 | 3 | 3.2 | 4 Browser:IE5| N | O	Event triggered when the data of the current data source is about to change
OnRowsDelete	HTML: 1 | 3 | 3.2 | 4 Browser:IE5| N | O	Events triggered when the current data record is deleted
OnRowsInserted	HTML: 1 | 3 | 3.2 | 4 Browser:IE5| N | O	Events triggered when a new data record is to be inserted to the current data source
External events
Event	Browser support	Description
OnAfterPrint	HTML: 1 | 3 | 3.2 | 4 Browser:IE5| N | O	Events triggered when a document is printed
OnBeforePrint	HTML: 1 | 3 | 3.2 | 4 Browser:IE5| N | O	Events triggered when the document is about to be printed
OnFilterChange	HTML: 1 | 3 | 3.2 | 4 Browser:IE4| N | O	Events triggered when the filter effect of an object changes
OnHelp	HTML: 1 | 3 | 3.2 | 4 Browser:IE4| N | O	Event triggered when the viewer presses F1 or the browser's help Selection
OnPropertyChange	HTML: 1 | 3 | 3.2 | 4 Browser:IE5| N | O	Event triggered when one of the object's attributes changes
OnReadyStateChange	HTML: 1 | 3 | 3.2 | 4 Browser:IE4| N | O	Event triggered when the object's initialization property value changes