matchMedia 媒体查询

检测系统的主题色

window.addEventListener('theme-mode', event =>{ 
    if(event.mode == 'dark'){}
   if(event.mode == 'light'){} 
})
window.matchMedia('(prefers-color-scheme: dark)') .addEventListener('change', event => { 
    if (event.matches) {} // dark mode
})