从服务器获取二进制文件

async function displayImageAsync() {
  try {
    const response = await fetch('https://www.example.com/image.jpg');
    const blob = await response.blob();
    const url = URL.createObjectURL(blob);
    const img = document.createElement('img');
    img.src = url;
    document.body.appendChild(img);
  } catch (error) {
    console.error(error);
  }
}