1:  const buffer = new ArrayBuffer(4); // 4 bytes for a 32-bit integer

   2:  const view = new DataView(buffer);

   3:  

   4:  // Write a 32-bit integer in little-endian format

   5:  view.setUint32(0, 0x12345678, true); // true for little-endian

   6:  

   7:  // Get the byte array

   8:  const byteArray = new Uint8Array(buffer);

   9:  console.log(byteArray); // Output: Uint8Array [ 120, 86, 52, 18 ] (little-endian)

  10:  

  11:  // Convert byte array to hex string

  12:  const hexString = Array.from(byteArray).map(byte => byte.toString(16).padStart(2, '0')).join('');

  13:  console.log(hexString); // Output: "78563412"