W3cubDocs

/DOM

DataTransferItem.getAsString

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).

Syntax

dataTransferItem.getAsString(callback);

Parameters

callback
A callback function that has access to the data transfer item's string data. See Callback below for details.

Return value

undefined

Callback

The callback parameter is a callback function which accepts one parameter:

DOMString
The drag data item's string data.

The callback return value is undefined.

Example

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 ");
   }
 }
}

Specifications

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

Browser compatibilityUpdate compatibility data on GitHub

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 ?

See also

© 2005–2018 Mozilla Developer Network and individual contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/DataTransferItem/getAsString