<script src="http://code.jquery.com/jquery-1.11.1.min.js">
</script>
<script src="https://cdn.jsdelivr.net/npm/mobile-detect@1.4.4/mobile-detect.min.js">
</script>

<script>
  
  //判斷數組中是否包含某字符串
  Array.prototype.contains = function(needle) {
    for (i in this) {
      if (this[i].indexOf(needle) > 0)
        return i;
    }
    return -1;
  }

  var device_type = navigator.userAgent; //獲取userAgent信息
  document.write(device_type); //打印到頁面
  var md = new MobileDetect(device_type); //初始化mobile-detect
  var os = md.os(); //獲取系統
  console.log(os)
  var model = "";
  if (os == "iOS") { //ios系統的處理
    os = +md.version("iPhone");
    console.log(os)
    model = md.mobile();
  } else if (os == "AndroidOS") { //Android系統的處理
    os = md.os() + md.version("Android");
    var sss = device_type.split(";");
    var i = sss.contains("Build/");
    if (i > -1) {
      model = sss[i].substring(0, sss[i].indexOf("Build/"));
    }
  }
  // alert(os + "---" + model);//打印系統版本和手機型號
  console.log(model + '||' + os, '打印系統版本和手機型號')
</script>