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dragenter | ondragenter event

Fires on the target element when the user drags the object to a valid drop target.

Syntax

HTML Attribute <element ondragenter = "handler(event)">
Event Property object.ondragenter = handler;
addEventListener Method object.addEventListener("dragenter", handler, useCapture)

Event information

SynchronousNo
BubblesYes
CancelableYes

Event handler parameters

pEvtObj [in]

Type: IHTMLEventObj

Standards information

There are no standards that apply here.

Remarks

You can handle the ondragenter event on the source or on the target object. Of the target events, it is the first to fire during a drag operation. Target events use the getData method to stipulate which data and data formats to retrieve. The list of drag-and-drop target events includes:

When scripting custom functionality, use the returnValue property to disable the default action.

Calls the associated event handler.

To invoke this event, do one of the following:

  • Drag the selection over a valid drop target within the client.
  • Drag the selection to a valid drop target within another window.

Examples

This example shows when and where each event fires during a drag-and-drop operation by listing each event and the name of the object firing it in a list box.


<head>
<script type="text/javascript">
// Code for dynamically adding options to a select.
function ShowResults()
{				// Information about the events 
				 // and what object fired them.
  arg = event.type + "  fired by  " + event.srcElement.id;  
  var oNewOption = new Option(); 
  oNewOption.text = arg;
  oResults.add(oNewOption,0);
}
</script>
</head>
<body>
<p>Source events are wired up to this text box.</p>
<input id=txtDragOrigin value="Text to Drag"
    ondragstart="ShowResults()"
    ondrag="ShowResults()"
    ondragend="ShowResults()"
>
<p>Target events are bound to this text box.</p>
<input id=txtDragDestination value="Drag Destination"
    ondragenter="ShowResults()"
    ondragover="ShowResults()"
    ondragleave="ShowResults()"
    ondrop="ShowResults()"
>
<select id=oResults size=30>
  <option>List of Events Fired
</select>
</body>

See also

a
abbr
acronym
address
area
audio
b
bdo
big
blockQuote
body
button
canvas
caption
center
cite
code
custom
dd
del
dfn
dir
div
dl
document
dt
em
fieldSet
font
form
hn
hr
i
img
input type=button
input type=checkbox
input type=email
input type=file
input type=image
input type=number
input type=password
input type=radio
input type=range
input type=reset
input type=search
input type=submit
input type=tel
input type=text
input type=url
kbd
label
li
listing
map
marquee
media
menu
noBR
object
ol
p
plainText
pre
q
s
samp
select
small
source
span
strike
strong
sub
sup
table
tBody
td
textArea
tFoot
th
tHead
tr
tt
u
ul
var
video
window
xmp
About DHTML Data Transfer