HTMLElement.onpaste

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This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The HTMLElement.onpaste property of the HTMLElement interface is an EventHandler that processes paste events.

The paste event fires when the user attempts to paste text.

Note that there is currently no DOM-only way to obtain the text being pasted; you'll have to use an nsIClipboard to get that information.

Syntax

target.onpaste = functionRef;

Value

functionRef is a function name or a function expression. The function receives a ClipboardEvent object as its sole argument.

Example

This example logs every copy and paste attempt to the <textarea>.

HTML

<h3>Play with this text area:</h3>
<textarea id="editor" rows="3">Try copying and pasting text into this field!</textarea>

<h3>Log:</h3>
<p id="log"></p>

JavaScript

function logCopy(event) {
  log.innerText = 'Copied!\n' + log.innerText;
}

function logPaste(event) {
  log.innerText = 'Pasted!\n' + log.innerText;
}

const editor = document.getElementById('editor');
const log = document.getElementById('log');

editor.oncopy = logCopy;
editor.onpaste = logPaste;

Result

Specification

WHATWG Standard

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
onpaste
Non-standard
Chrome Full support 71Edge Full support 12Firefox Full support 3IE ? Opera Full support YesSafari Full support YesWebView Android Full support 71Chrome Android Full support 71Firefox Android Full support 4Opera Android Full support YesSafari iOS Full support YesSamsung Internet Android ?

Legend

Full support  
Full support
Compatibility unknown  
Compatibility unknown
Non-standard. Expect poor cross-browser support.
Non-standard. Expect poor cross-browser support.

Since Firefox 13, the preference dom.event.clipboardevents.enabled controls this feature. It defaults to true but can be disabled.

See also