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);
callbackdata transfer item's string data. See Callback below for details.The callback parameter is a callback function which accepts one parameter:
DOMStringThe 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