我們的志工尚未將此文章翻譯為 正體中文 (繁體) 版本。加入我們,幫忙翻譯!
The read-only DataTransferItem.type
property returns the type (format) of the DataTransferItem
object representing the drag data item. The type
is a Unicode string generally given by a MIME type, although a MIME type is not required.
Some example types are: text/plain
and text/html
.
Syntax
dataItem.type;
Return value
A DOMString
representing the drag data item's type.
Example
This example shows the use of the type
property.
function drop_handler(ev) { console.log("Drop"); ev.preventDefault(); var data = event.dataTransfer.items; for (var i = 0; i < data.length; i += 1) { if ((data[i].kind == 'string') && (data[i].type.match('^text/plain'))) { // This item is the target node data[i].getAsString(function (s){ ev.target.appendChild(document.getElementById(s)); }); } else if ((data[i].kind == 'string') && (data[i].type.match('^text/html'))) { // Drag data item is HTML console.log("... Drop: HTML"); } else if ((data[i].kind == 'string') && (data[i].type.match('^text/uri-list'))) { // Drag data item is URI console.log("... Drop: URI"); } else if ((data[i].kind == 'file') && (data[i].type.match('^image/'))) { // Drag data item is an image file var f = data[i].getAsFile(); console.log("... Drop: File "); } } }
Specifications
Specification | Status | Comment |
---|---|---|
WHATWG HTML Living Standard The definition of 'type' in that specification. |
Living Standard | Initial version |
HTML5.1 The definition of 'type' in that specification. |
Working Draft | Snapshot of the HTML WHATWG document |
Browser compatibility
Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
---|---|---|---|---|---|
Basic support | 4 | 50 (50) | No support | 12 | No support |
Feature | Android | Android Webview | Chrome for Android | Firefox Mobile (Gecko) | Firefox OS | IE Mobile | Opera Mobile | Safari Mobile |
---|---|---|---|---|---|---|---|---|
Basic support | No support | No support | No support | 50.0 (50) | No support | No support | No support | No support |