MediaQueryListEvent: media プロパティ
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
media
は MediaQueryListEvent
インターフェイスの読み取り専用プロパティで、シリアライズされたメディアクエリーを表す文字列です。
値
シリアライズされたメディアクエリーを表す文字列です。
例
js
const para = document.querySelector("p"); // This is the UI element where to display the text
const mql = window.matchMedia("(max-width: 600px)");
mql.addEventListener("change", (event) => {
if (event.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 600 pixels wide
para.textContent = "This is a wide screen — more than 600px wide.";
document.body.style.backgroundColor = "blue";
}
console.log(event.media);
});
仕様書
Specification |
---|
CSSOM View Module # dom-mediaquerylistevent-media |
ブラウザーの互換性
Report problems with this compatibility data on GitHubdesktop | mobile | |||||||||||
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media |
Legend
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- Full support
- Full support
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.