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HTML | window matchMedia() Method

  • Last Updated : 21 Nov, 2019

The window.matchMedia() method in html is used to return a MediaQueryList object which represents the result of the specified CSS media query string. The value of the matchMedia() method can be any of the media options of the CSS @media rule, like min-height, min-width, orientation, etc.

The MediaQueryList object has two properties and two methods:

  1. Property:
    • matches: It is used to check the results of a query and it returns a boolean value.
    • media: A String which represent the serialized media query list.
  2. Method:
    • addListener(functionref): Adds a new listener function, which is executed whenever the media query’s evaluated result changes.
    • removeListener(functionref): Removes a previously additional listener function from the media query list. Does nothing if the specified listener is not already in the list.


window.matchMedia( mediaQueryString )

Parameter Values:

  • mediaQueryString: String which represents the media query for which to return a new MediaQueryList object.

Return Value: This method returns the CSS media query string.


<!DOCTYPE html>
    <title>Window matchMedia() Method</title>
        <h1 style="color:green">GeeksforGeesks</h1>
        <h2>Window matchMedia() Method</h2>
            function GFGFun(ar) {
                if (ar.matches) {
           = "white";
                } else {
           = "gray";
            var ar = window.matchMedia("(max-width: 850px)")


  • Before resize the browser window:
  • After resize the browser window:

Supported Browsers: The browsers supported by HTML window matchMedia() method are listed below:

  • Google Chrome
  • Internet Explorer
  • Firefox
  • Apple Safari
  • Opera

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