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CSSStyleDeclaration JS Conversion


Jendela pertandinganMedia()

Contoh 1

Apakah lebar layar/area pandang lebih besar dari 700 piksel:

if (window.matchMedia("(max-width: 700px)").matches) {
  // Viewport is less or equal to 700 pixels wide
} else {
  // Viewport is greater than 700 pixels wide
}

Definisi dan Penggunaan

Metode matchMedia()mengembalikan MediaQueryList dengan hasil dari kueri.

Lihat juga:

Objek MediaQueryList


Pertanyaan Media

Kueri media dari matchMedia()metode ini dapat berupa fitur media apa pun dari aturan @media CSS , seperti tinggi minimum, lebar minimum, orientasi, dll.

Contoh

matchMedia("(max-height: 480px)").matches);
matchMedia("(max-width: 640px)").matches);

Sintaksis

window.matchMedia(mediaQuery)

Parameter

Parameter Description
mediaQuery Required.
A string representing a media query.

Nilai Kembali

Jenis Keterangan
Sebuah ObjekObjek MediaQueryList dengan hasil kueri media.


Contoh Dijelaskan

Contoh pertama di halaman ini menjalankan kueri media dan membandingkannya dengan status jendela saat ini .

Untuk menjalankan kueri media responsif setiap kali status jendela berubah, tambahkan event listener ke objek MediaQueryList (Lihat "Contoh Lainnya" di bawah):


Lebih Banyak Contoh

Jika area pandang kurang atau sama dengan lebar 500 piksel, atur warna latar belakang menjadi kuning, jika tidak menjadi merah muda:

// Create a match function
function myFunction(x) {
  if (x.matches) {
    document.body.style.backgroundColor = "yellow";
  } else {
    document.body.style.backgroundColor = "pink";
  }
}

// // Create a MediaQueryList object
const mmObj = window.matchMedia("(max-width: 700px)")

// Call the match function at run time:
myFunction(mmObj);

// Add the match function as a listener for state changes:
mmObj.addListener(myFunction);

Dukungan Peramban

matchMedia() didukung di semua browser modern:

Chrome IE Edge Firefox Safari Opera
Yes 11 Yes Yes Yes Yes