JavaScript window.matchMedia() Method

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JavaScript window.matchMedia() Method

The window.matchMedia() method returns a MediaQueryList object representing the results of the specified CSS media query string.

Note: The returned MediaQueryList can be used for any of the following purpose

  • To determine if the Document matches the CSS media query.
  • To monitor a document to detect when it matches or stops matching the CSS media query.


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<!DOCTYPE html> <html> <body> <button onclick="myFunction()">Check Screen Type</button> <p id="point"></p> <script> var x = document.getElementById("point"); var size = "(min-width: 450px)"; function myFunction() { if(window.matchMedia(size).matches) x.innerHTML = "Big Screen"; else x.innerHTML = "Small Screen"; } </script> </body> </html>



Parameter Values

ObjectRequiredAn object representing the CSS media query for which to return a new MediaQueryList object.


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