The DataTransferItem.getAsString()
method invokes the given callback with the drag data item's string data as the argument if the item's kind
is a Plain unicode string (i.e. kind
is string
).
dataTransferItem.getAsString(callback);
callback
data transfer item's
string data. See Callback below for details.The callback parameter is a callback function which accepts one parameter:
DOMString
The callback return value is undefined
.
This example shows the use of the getAsString()
method as an inline function in a drop
event handler.
function drop_handler(ev) { console.log("Drop"); ev.preventDefault(); var data = ev.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 "); } } }
Specification | Status | Comment |
---|---|---|
HTML Living Standard The definition of 'getAsString()' in that specification. | Living Standard | Initial definition. |
HTML 5.1 The definition of 'getAsString()' in that specification. | Recommendation | Snapshot fo HTML WHATWG document |
Desktop | ||||||
---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | |
Basic support | 4 | Yes | 50 | No | 12 | No |
Mobile | |||||||
---|---|---|---|---|---|---|---|
Android webview | Chrome for Android | Edge Mobile | Firefox for Android | Opera for Android | iOS Safari | Samsung Internet | |
Basic support | Yes | Yes | ? | 50 | No | No | ? |
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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/DataTransferItem/getAsString