This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
The select event fires when some text has been selected.
Use the event name in methods like addEventListener(), or set an event handler property.
addEventListener("select", (event) => { })
onselect = (event) => { }
A generic Event.
<textarea>Try selecting some text in this element.</textarea> <p id="log"></p>
function logSelection(event) {
const log = document.getElementById("log");
const selection = event.target.value.substring(
event.target.selectionStart,
event.target.selectionEnd,
);
log.textContent = `You selected: ${selection}`;
}
const textarea = document.querySelector("textarea");
textarea.addEventListener("select", logSelection);
You can also set up the event handler using the onselect property:
textarea.onselect = logSelection;
| Specification |
|---|
| HTML> # event-select> |
| HTML> # handler-onselect> |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | WebView on iOS | |
select_event |
1 | 12 | 6 | ≤12.1 | 1 | 18 | 6 | ≤12.1 | 1 | 1.0 | 4.4 | 1 |
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https://developer.mozilla.org/en-US/docs/Web/API/HTMLTextAreaElement/select_event