JavaScript and CSS enable customers to detect the consumer theme choice with CSS’ prefers-color-scheme media question. It is customary today to make use of that choice to indicate the darkish or mild theme on a given web site. However what if the consumer modifications their choice whereas utilizing your app?
To detect a system theme choice change utilizing JavaScript, you’ll want to mix matchMedia, prefers-color-scheme, and an occasion listener:
window.matchMedia('(prefers-color-scheme: darkish)')
.addEventListener('change',({ matches }) => {
if (matches) {
console.log("change to darkish mode!")
} else {
console.log("change to mild mode!")
}
})
The change occasion of the matchMedia API notifies you when the system choice modifications. You should utilize this occasion to robotically replace the location’s show in actual time.
I like that this API permits detecting consumer choice on a system stage. Catering to consumer wants is a crucial a part of creating an incredible internet expertise!
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