Editing dark mode NET牛人

<!DOCTYPE html>
<html>

<head>
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta charset="utf-8" />
    <title>dark mode</title>
</head>

<body>

</body>

</html>

@media (prefers-color-scheme: dark) {
    html {
        background-color: #273547;
    }
}

const isDark = window.matchMedia('(prefers-color-scheme: dark)').matches;
const isLight = window.matchMedia('(prefers-color-scheme: light)').matches;
console.log(`Is Dark: ${isDark} , Is Light: ${isLight} , Please change the mode`)

window.matchMedia('(prefers-color-scheme: dark)').addEventListener('change', event => {
    let theme = event.matches ? "dark" : "light";
    console.log(`You changed the mode: ${theme}`)
});