The MediaQueryListEvent
object stores information on the changes that have happened to a MediaQueryList
object — instances are available as the event object on a function referenced by a MediaQueryList.onchange
property or MediaQueryList.addListener()
call.
Constructor
MediaQueryListEvent()
- Creates a new
MediaQueryListEvent
instance.
Properties
The MediaQueryListEvent
interface inherits properties from its parent interface, Event
.
MediaQueryListEvent.matches
Read only- A
Boolean
that returnstrue
if thedocument
currently matches the media query list, orfalse
if not. MediaQueryListEvent.media
Read only- A
DOMString
representing a serialized media query.
Methods
The MediaQueryListEvent
interface inherits methods from its parent interface, Event
.
Examples
var mql = window.matchMedia('(max-width: 600px)'); function screenTest(e) { if (e.matches) { /* the viewport is 600 pixels wide or less */ para.textContent = 'This is a narrow screen — less than 600px wide.'; document.body.style.backgroundColor = 'red'; } else { /* the viewport is more than than 600 pixels wide */ para.textContent = 'This is a wide screen — more than 600px wide.'; document.body.style.backgroundColor = 'blue'; } } mql.addListener(screenTest);
Specifications
Specification | Status | Comment |
---|---|---|
CSS Object Model (CSSOM) View Module The definition of 'MediaQueryListEvent' in that specification. |
Working Draft | Initial definition |
Browser compatibility
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MediaQueryListEvent | Chrome Full support Yes | Edge Full support ≤79 | Firefox Full support 55 | IE No support No | Opera Full support Yes | Safari ? | WebView Android No support No | Chrome Android Full support Yes | Firefox Android Full support 55 | Opera Android Full support Yes | Safari iOS ? | Samsung Internet Android Full support Yes |
MediaQueryListEvent() constructor | Chrome Full support Yes | Edge Full support ≤79 | Firefox Full support 55 | IE No support No | Opera Full support Yes | Safari ? | WebView Android No support No | Chrome Android Full support Yes | Firefox Android Full support 55 | Opera Android Full support Yes | Safari iOS ? | Samsung Internet Android Full support Yes |
matches | Chrome Full support Yes | Edge Full support ≤79 | Firefox Full support 55 | IE No support No | Opera Full support Yes | Safari ? | WebView Android No support No | Chrome Android Full support Yes | Firefox Android Full support 55 | Opera Android Full support Yes | Safari iOS ? | Samsung Internet Android Full support Yes |
media | Chrome Full support Yes | Edge Full support ≤79 | Firefox Full support 55 | IE No support No | Opera Full support Yes | Safari ? | WebView Android No support No | Chrome Android Full support Yes | Firefox Android Full support 55 | Opera Android Full support Yes | Safari iOS ? | Samsung Internet Android Full support Yes |
Legend
- Full support
- Full support
- No support
- No support
- Compatibility unknown
- Compatibility unknown