GlobalEventHandlers.onmouseover

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The onmouseover property of the GlobalEventHandlers mixin is an EventHandler that processes mouseover events.

The mouseover event fires when the user moves the mouse over a particular element.

Syntax

element.onmouseover = function;

Example

This example adds an onmouseover and an onmouseout event to a paragraph. Try moving your mouse over and out of the element.

HTML

<p>Test your mouse on me!</p>

JavaScript

const p = document.querySelector('p');
p.onmouseover = logMouseOver;
p.onmouseout = logMouseOut;

function logMouseOver() {
  p.innerHTML = 'MOUSE OVER detected';
}

function logMouseOut() {
  p.innerHTML = 'MOUSE OUT detected';
}

Result

Specifications

Specification Status Comment
HTML Living Standard
The definition of 'onmouseover' in that specification.
Living Standard  

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
onmouseoverChrome Full support YesEdge Full support YesFirefox Full support YesIE Full support YesOpera Full support YesSafari Full support YesWebView Android Full support YesChrome Android Full support YesFirefox Android Full support YesOpera Android Full support YesSafari iOS Full support YesSamsung Internet Android Full support Yes

Legend

Full support  
Full support