Element: input event

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since January 2020.

The input event fires when the value of an <input>, <select>, or <textarea> element has been changed as a direct result of a user action (such as typing in a textbox or checking a checkbox).

The event also applies to elements with contenteditable enabled, and to any element when designMode is turned on. In the case of contenteditable and designMode, the event target is the editing host. If these properties apply to multiple elements, the editing host is the nearest ancestor element whose parent isn't editable.

For <input> elements with type=checkbox or type=radio, the input event should fire whenever a user toggles the control, per the HTML Living Standard specification. However, historically this has not always been the case. Check compatibility, or use the change event instead for elements of these types.

For <textarea> and <input> elements that accept text input (type=text, type=tel, etc.), the interface is InputEvent; for others, the interface is Event.

The input event is fired every time the value of the element changes. This is unlike the change event, which only fires when the value is committed, such as by pressing the enter key or selecting a value from a list of options. Note that the input event is not fired when JavaScript changes an element's value programmatically.

Syntax

Use the event name in methods like addEventListener(), or set an event handler property.

addEventListener("input", (event) => {});

oninput = (event) => {};

Event type

An InputEvent. Inherits from UIEvent.

Event properties

This interface inherits properties from its parents, UIEvent and Event.

InputEvent.data Read only: Returns a string with the inserted characters. This may be an empty string if the change doesn't insert text (for example, when deleting characters).
InputEvent.dataTransfer Read only: Returns a DataTransfer object containing information about richtext or plaintext data being added to or removed from editable content.
InputEvent.inputType Read only: Returns the type of change for editable content such as, for example, inserting, deleting, or formatting text.
InputEvent.isComposing Read only: Returns a Boolean value indicating if the event is fired after compositionstart and before compositionend.

Examples

This example logs the value whenever you change the value of the <input> element.

HTML

html

<input placeholder="Enter some text" name="name" />
<p id="values"></p>

JavaScript

const input = document.querySelector("input");
const log = document.getElementById("values");

input.addEventListener("input", updateValue);

function updateValue(e) {
  log.textContent = e.target.value;
}

Result

Specifications

Specification
UI Events # event-type-input
HTML Standard # handler-oninput

Browser compatibility

BCD tables only load in the browser