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
).
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
).
js
getAsString(callbackFn)
callbackFn
A callback function that receives following arguments:
data
The data transfer item's
string data.
None (undefined
).
This example shows the use of the getAsString()
method as an inline function in a drop
event handler.
js
function drop_handler(ev) { console.log("Drop"); ev.preventDefault(); const data = ev.dataTransfer.items; for (let 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((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 const f = data[i].getAsFile(); console.log("… Drop: File "); } } }
Specification |
---|
HTML Standard # dom-datatransferitem-getasstring-dev |
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
getAsString |
11 | 12 | 50 | No | 12 | 5.1 | 4 | 18 | 50 | ≤14 | 5 | 1.0 |
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https://developer.mozilla.org/en-US/docs/Web/API/DataTransferItem/getAsString