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HTML:手机的物理分辨率和逻辑分辨率

2018-12-16  本文已影响0人  白祤星

常识:


代码实例:


<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <title>显示手机分辨率</title>
    <script>
      var width = window.screen.width;
      var height = window.screen.height;
      var dpr = window.devicePixelRatio;
      document.write("物理分辨率-宽度:" + width * dpr + "<br/>");
      document.write("物理分辨率-高度:" + height * dpr + "<br/><br/>");
      document.write("逻辑分辨率-宽度:" + width + "<br/>");
      document.write("逻辑分辨率-高度:" + height);
    </script>
  </head>
  <body></body>
</html>
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