Mathias Bynens • 5/11/2011

Using the `oninput` event handler with `onkeyup`/`onkeydown` as its fallback

This technical article discusses the standardized HTML5 `oninput` event for detecting user input in JavaScript. It explains why `oninput` is preferable to `onkeyup`/`onkeydown`, covers browser support (including IE9), and details a practical fallback technique. The method involves binding both `oninput` and `onkeydown` events, then removing the keydown handler once `oninput` fires, avoiding complex feature detection. Code examples are provided in plain JavaScript and as a jQuery plugin.

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#JavaScript #event handling #html5