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HTML5-based Drag and Drop generates image Base64 information,
HTML5 Drag and Drop is a very good function, the use of more examples online such as http://html5demos.com/drag, but most o
The new generation of Web development standard HTML 5 can bring far beyond its own ability as a markup language, in addition to our previous introduction of HTML 5 can perfectly support video audio elements, but also provide some powerful scripting tools, responsible for overseeing the HTML5 development process of the Organization, Just published a draft specification for the document Operations API, HTML5
HTML5 new drag-and-drop supports only Internet Explorer 9, Firefox, Opera 12, Chrome, and Safari 5 support drag and drop.To an example:class="Dragdiv"> I was going to drag class="Dragdiv"> I am a second "Div1"ondrop="Drop (Event)"
Dragging related propertiesThe Draggable property is a global property of HTML5 and is one of the ways that HTML5 supports drag-and-drop operations to indicate whether an element can be dragged and dropped, a draggable with three values, true to drag and
Basic situationIn the HTML5 specification, we can set whether this element can be dragged by adding draggable= "true" to the element, where the image and link are turned on by default.Drag and drop elementsThe elements of the draggable= "true" property are set on the pageTarget elementAny element can be a target elementEvent Monitoring // drag element Ondrag //
Document directory
Code explanation:
Reference tutorial address: http://www.w3school.com.cn/html5/html_5_draganddrop.asp
Tutorial:Set the element to drag and drop
First, set the draggable attribute to true to make the element drag:
Drag-ondragstart and setData ()
Th
Put the element picture inside the div box1. First set the element to be drag and drop: Add draggable= "true" to the IMG tag.2. Set the drag of the element: Call a function drag (EV) in the IMG tag with the ondragstart attribute, which sets the data type and value of the dragged data using the Datatransfer.setdata () m
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 while the element is being dragged;dragend--triggered when the drag
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
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
This evening, I spent a few hours preparing an album, similar to uploading files in the QQ space. However, I used ext + HTML5 and other new technologies to upload files with servlet. There are several features:
Drag/Drop File Upload
Get upload progress in real time
Local Preview
Combined with ext
After talking about this, I 'd like to paste a few pic
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
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
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>#
-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
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
1. Set elements to drag and drop first2. Drag the element whose EV is draggedID of the Ev.target.id elementWhere to put it?function AllowDrop (EV){Ev.preventdefault ();}function drag (EV){Ev.datatransfer. setData ("Text", ev.target.id);}3. Where to placefunction Drop (EV) {e
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