The onmouseenter property sets and returns the event handler for the mouseenter event.
element.onmouseenter = handlerFunction; var handlerFunction = element.onmouseenter;
handlerFunction should be either null or a JavaScript function specifying the handler for the event.
See the DOM event handlers page for information on working with on... handlers.
The mouseenter event is fired when a pointing device (usually a mouse) is moved over the element that has the listener attached.
See the mouseenter event documentation for more information about the event.
| Specification | Status | Comment |
|---|---|---|
| HTML Living Standard The definition of 'onmouseenter' in that specification. | Living Standard |
| Desktop | ||||||
|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | |
| Basic support | 30 | Yes | 10 | 5.5 | 17 | Yes |
| Mobile | |||||||
|---|---|---|---|---|---|---|---|
| Android webview | Chrome for Android | Edge Mobile | Firefox for Android | Opera for Android | iOS Safari | Samsung Internet | |
| Basic support | Yes | Yes | Yes | 10 | 17 | Yes | Yes |
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https://developer.mozilla.org/en-US/docs/Web/API/GlobalEventHandlers/onmouseenter