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Extended Event Attributes

In addition to the standard set of event attributes (defined by the W3C), Microsoft introduced a wide variety of additional events that may be captured and used in any client-side scripting techniques. Note that if you do use these events, they may not be supported by any browser other than Internet Explorer, therefore you are strongly advised to use only the approved event attributes to ensure cross-browser compatibility.

In this Section

  • onabort
    Captures event triggered when user aborts image loading
  • onactivate
    Captures event fired when object is set as active element
  • onafterprint
    Captures event fired after user sets page to print
  • onafterupdate
    Captures event fired after transfer of data to data provider
  • onbeforeactivate
    Captures event fired just before element activated
  • onbeforecopy
    Captures event fired just before user carries out copy function
  • onbeforecut
    Captures event fired just before user carries out cut function
  • onbeforedeactivate
    Captures event fired just before element deactivated
  • onbeforeeditfocus
    Captures event fired before element focused for editing
  • onbeforepaste
    Captures event fired just before paste operation
  • onbeforeprint
    Captures event fired before page prints
  • onbeforeunload
    Captures event fired just before page unloads
  • onbeforeupdate
    Captures event fired before transfer of data to data provider
  • onbounce
    Captures event fired when marquee text bounces at edge
  • oncontextmenu
    Captures event fired when user activates contextual menu
  • oncontrolselect
    Captures event fired when user selects using CTRL
  • oncopy
    Captures event fired when user carries out copy operation
  • oncut
    Captures event fired when user carries out cut operation
  • ondataavailable
    Captures event fired when data arrives from asynchronous source
  • ondatasetchanged
    Captures event fired when data available/changed from data source
  • ondeactivate
    Captures event fired when element deactivated
  • ondrag
    Captures event fired during a drag operation
  • ondragend
    Captures event fired when user stops dragging
  • ondragenter
    Captures event fired when user drags object onto target
  • ondragleave
    Captures event fired when user drags object out of target
  • ondragover
    Captures event fired while user drags object over drop target
  • ondragstart
    Captures event fired when user starts dragging
  • ondrop
    Captures event fired when user releases mouse button during drag-drop
  • onerror
    Captures event fired when document errors occur
  • onerrorupdate
    Captures event fired when data transfer cancelled
  • onfilterchange
    Captures event fired when page filter changes state or finishes
  • onfinish
    Captures event fired when looping marquee finishes
  • onfocusin
    Captures event fired just before element receives focus
  • onfocusout
    Captures event fired just before element loses focus
  • onhelp
    Captures event fired when user brings up help topics
  • onlayoutcomplete
    Captures event fired when print or print preview process completed
  • onlosecapture
    Captures event fired when object loses mouse capture
  • onmouseenter
    Captures event fired when mouse pointer moves into object
  • onmouseleave
    Captures event fired when mouse pointer moves out of object
  • onmousewheel
    Captures event fired when mouse wheel is used
  • onmove
    Captures event fired when user moves window
  • onmoveend
    Captures event fired when user stops moving editable element
  • onmovestart
    Captures event fired when user starts moving editable element
  • onpaste
    Captures event fired when copied/cut content is pasted
  • onpropertychange
    Captures event fired when a property of an element changes
  • onreadystatechanged
    Captures event fired when ready state has changed for an object
  • onresize
    Captures event fired when an object is resized
  • onresizeend
    Captures event fired when user has finished resizing object
  • onresizestart
    Captures event fired when user starts resizing object
  • onrowenter
    Captures event fired when bound data row changes
  • onrowexit
    Captures event fired just before data-bound row values changed
  • onrowsdelete
    Captures event fired when dataset rows are about to be deleted
  • onrowsinserted
    Captures event fired when dataset rows are inserted
  • onscroll
    Captures event fired when element content scrolls
  • onselectionchange
    Captures event fired when selection state of document changes
  • onstart
    Captures event fired when a looped marquee begins/restarts lop
  • onstop
    Captures event fired when user presses browser stop button
  • ontimeerror
    Captures event fired when time-specific error occurs

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