html5 canvas drag and drop

1) Create a source project1.1) The value of the Draggable property:true--This element can be dragged;false--This element cannot be dragged;auto--Browser can decide whether an element can be dragged or not;1.2) The event of the element being dragged:The dragstart--is triggered when the element starts being dragged;drag--is triggered repeatedly when an element is dragged.dragend--is triggered when the drag op

Drag and drop:Draggable= on the "true" page to enable drag-and-dropEvent:Ondragstart drag-and-drop start EventOndrag drag and drop inOndragend drag-and-

An interesting drag-and-drop effect recently seen in HTML5, here is a simple drag-and-drop effect on the deleted element.It is a small picture of the above drag and drop in the generous

-draggable Tag file drag and drop99 IE5 Start, 05 after all browser support (except Opera)The interface provided at this timevar dragstart = function(evt) { evt.dataTransfer.setData (' text ', evt.target.id); }; -File drag and drop examplevar drop = function(evt) { var file = evt.datatransfer.files[0]; }; var

Html5 drag and drop 1) create a source project 1.1) value of the draggable attribute: True -- this element can be dragged; False -- the element cannot be dragged; Auto-the browser can decide whether an element can be dragged; 1.2) events of the dragged element: Dragstart -- triggered when the element is dragged; Drag-t

Html5 drag and drop 1) create a source project 1.1) value of the draggable attribute: True -- this element can be dragged; False -- the element cannot be dragged; Auto-the browser can decide whether an element can be dragged; 1.2) events of the dragged element: Dragstart -- triggered when the element is dragged; Drag-t

Source code DisplayWhere the HTML structure is as follows:The JS code is as follows:var $ = function (selector) {/* Simple Selector method */...}; var Eledustbin = $ (". Dustbin") [0], Eledrags = $ (". Draglist"), Ldrags = eledrags.length, Eleremind = $ (". Dragremind") [0], E Ledrag = Null;for (var i=0; i/* Drag to start */Drag effect ev.dataTransfer.effectAllowed = "move"; Ev.dataTransfer.setDat

Main code parsing The style part is simple. Dragover, dragend, and drop are three drag-and-drop events. Dragover indicates that the drag-and-drop element is moving within the range of the element. Dragend indicates that the drag-a

Set elements to be dragged and droppedFirst, to make an element draggable, set the Draggable property to True:What to drag-ondragstart and SetData ()The Datatransfer.setdata () method sets the data type and value of the dragged data:function drag (EV) {ev.dataTransfer.setData ("Text", ev.target.id);}In this example, the data type is "Text" and the value is the ID of the draggable element ("Drag1").Where to

DataTransfer object: The medium that the object is used to pass, used generally as event.datatransfer. Draggable Property: is the label element to set the draggable=true, otherwise there will be no effect, for example: Ondragstart Event: An event that is triggered when a drag element starts being dragged, and this event acts on the dragged element OnDragEnter Event: An event that fires when a dragged element enters the target element, which acts

H5 has added an API for drag-and-drop, which allows any element of an HTML page to become draggable by dragging and dropping the API. This is a small example to help understand.HTML> Head> MetaCharSet= "Utf-8"> Metaname= "Author"content= "Dongfeng"> title>HTML5 Drag and droptitle> style>#

Drag and drop and drag a thing to another location. Case 1: OnDrop----------to be placed;OnDragOver------Drag the picture to where;Draggable-------property is set to true, that is, the picture can be dragged;Ondragstart-----Drag the picture;: (in case of browser supp