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onDragStart (Event handler)

The user has commenced some data selection with a mouse drag.

Availability:

JScript - 3.0
Internet Explorer - 4.0
Property/method value type:Boolean primitive
JavaScript syntax:IEmyObject.ondragstart = aHandler
HTML syntax:<HTMLTag onDragStart="...">
Argument list:aHandlerA reference to a function object to handle the event
Supported by objects:ACRONYM, ADDRESS, B, BIG, BLOCKQUOTE, BODY, BUTTON, CAPTION, CENTER, CITE, CODE, DD, DEL, DFN, DIR, DIV, DL, Document, DT, EM, FIELDSET, FONT, FORM, H1, HR, I, IMG, Input, INS, KBD, LABEL, LEGEND, LI, LISTING, MARQUEE, MENU, OBJECT, OL, P, PLAINTEXT, PRE, Q, S, SAMP, Select, SMALL, SPAN, STRIKE, STRONG, SUB, SUP, TABLE, TBODY, TD, TEXTAREA, TFOOT, TH, THEAD, TR, TT, U, UL, VAR

At the commencement of a drag, this event trigger can be used to initiate some kind of feedback animation effect to tell the user where the dragged items can be deposited.

See also:dataTransfer.clearData(), dataTransfer.effectAllowed, Event, Event handler, Event model, Event names, Event object, Event.returnValue, Handler, onDrag, onDragDrop, onDragEnd, onDragEnter, onDragLeave, onDragOver, onDrop, Semantic event

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JavaScript Programmer's Reference, Cliff Wootton
Wrox Press (www.wrox.com)

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