3) 自定义放置目标:重写dragenter、dragover 4) dataTransfer(在拖放操作时实现数据交换): (1) 两个方法: getData(【text/URL】、【value】)和 setData(【text/URL】)::【HTML5 也支持"text"和"URL",但这两种类型会被映射为"text/plain"和"text/uri-list",,,event.dataTransfer.setData()】 (2) dataTra...
fires when an item is dragged out of a potential target dragOut: (data: object, events: MouseEvent) => any; Parameters: data: object- data object. It contains the following parameters: start: string | number- the id of an item, from which the dragging process has started source: array...
container.addEventListener("dragover", function(event){event.preventDefault();// event.dataTransfer.dropEffect = "none";// event.dataTransfer.dropEffect = "link";// event.dataTransfer.dropEffect = "move";event.dataTransfer.dropEffect = "copy";console.log(event.type + ":" + event.dataTransfer.drop...
onDragStart(event, transferData, action) 在拖动开始时你可以定义这个方法,它有三个参数,第一个参数event元素作为被拖动的节点事件,我们可以用event.target取得该DOM节点;第二个transferData是拖拽时候所转移的数据,我们可以在这个方法内给transferData添加数据而进行传递,具体的使用方法请查看nsITransfer接口(尚未确定)...
Note:theondragoverevent needs to be canceled in Google Chrome and Safari to allow firing theondropevent. If you want to customize the drag-and-drop operation or you need access to the dragged data, use thedataTransferobject. How to register: ...
oncontextmenu = function() { event.preventDefault(); return false; } </script> <body leftmargin=0 topmargin=0 oncontextmenu='return false' ondragstart='return false' onselectstart ='return false' onselect='document.selection.empty()' oncopy='document.selection.empty()' onbeforecopy='return...
.parent_left+ev.screenX-pos.cur_left+"px";elem.style.marginTop=pos.parent_top+ev.screenY-pos.cur_top+"px";}</script></head><body><div id="con"ondragover="allowDrop(event);"ondrop="drop(event);"><img id="img"src="img/index.jpg"draggable="true"ondragstart="drag(event)"/></...
event Event dblclick event object. afterOnCellCornerMouseDown Source code afterOnCellCornerMouseDown(event) Fired after a mousedown event is triggered on the cell corner (the drag handle). ParamTypeDescription event Event mousedown event object. afterOnCellMouseDown Source code afterOnCellMouseDown(...
Occurs on a possible target element when the dragged data is dropped on it. Note: The support for the dragdrop event has been removed in Firefox 3.5. Use the ondrop event instead. If some content is selected in a HTML document, the user has the ability t
handle: ".my-handle", // Drag handle selector within list items filter: ".ignore-elements", // Selectors that do not lead to dragging (String or Function) preventOnFilter: true, // Call `event.preventDefault()` when triggered `filter` ...