30秒学会 JavaScript 片段 – prefersDarkColorScheme

Returns true if the user color scheme preference is dark, false otherwise.

Use window.matchMedia() with the appropriate media query to check the user color scheme preference.

代码片段

const prefersDarkColorScheme = () =>
  window && window.matchMedia && window.matchMedia('(prefers-color-scheme: dark)').matches;

使用样例

prefersDarkColorScheme(); // true