Screen.orientation

Baseline 2023
Newly available

Since March 2023, this feature works across the latest devices and browser versions. This feature might not work in older devices or browsers.

實驗性質: 這是一個實驗中的功能
此功能在某些瀏覽器尚在開發中,請參考兼容表格以得到不同瀏覽器用的前輟。

Screen.orientation 屬性可以取得螢幕目前的方向。

語法

var orientation = window.screen.orientation.type;

回傳值

回傳值為一個代表螢幕方向的字串,可能是 portrait-primaryportrait-secondarylandscape-primarylandscape-secondary(請參考 lockOrientation 以瞭解更多資訊)。

範例

js
var orientation =
  screen.orientation || screen.mozOrientation || screen.msOrientation;

if (orientation.type === "landscape-primary") {
  console.log("That looks good.");
} else if (orientation.type === "landscape-secondary") {
  console.log("Mmmh... the screen is upside down!");
} else if (
  orientation.type === "portrait-secondary" ||
  orientation.type === "portrait-primary"
) {
  console.log("Mmmh... you should rotate your device to landscape");
}

規範

Specification
Screen Orientation
# dom-screen-orientation

瀏覽器相容性

Report problems with this compatibility data on GitHub
desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
orientation

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support
Requires a vendor prefix or different name for use.
Has more compatibility info.

參見