This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
The HTMLInputElement.select() method selects all the text in a <textarea> element or in an <input> element that includes a text field.
select()
None.
None (undefined).
Click the button in this example to select all the text in the <input> element.
<input type="text" id="text-box" size="20" value="Hello world!" /> <button>Select text</button>
function selectText() {
const input = document.getElementById("text-box");
input.focus();
input.select();
}
document.querySelector("button").addEventListener("click", selectText);
Calling element.select() will not necessarily focus the input, so it is often used with HTMLElement.focus.
| Specification |
|---|
| HTML> # dom-textarea/input-select> |
| 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 |
1 | 12 | 1 | ≤12.1 | 1 | 18 | 4 | ≤12.1 | 1 | 1.0 | 4.4 | 1 |
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https://developer.mozilla.org/en-US/docs/Web/API/HTMLInputElement/select