DataTransferItem: getAsString() method
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
js
getAsString(callbackFn)
Parameters
callbackFn
-
A callback function that receives following arguments:
data
-
The
data transfer item's
string data.
Return value
None (undefined
).
Examples
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 ");
}
}
}
Specifications
Specification |
---|
HTML Standard # dom-datatransferitem-getasstring-dev |
Browser compatibility
BCD tables only load in the browser