備忘錄_20160105(定位) 修改 回首頁
程式　2019-10-10　03:13:23　1570648403　100
用 JavaScript 撰寫二進位檔案並存檔
用 JavaScript 撰寫二進位檔案並存檔

<!doctype html>
<html>
  <head>
    <meta http-equiv="content-type" content="text/html; charset=utf-8" />
    <title></title>
    <style>
      
      *
      {
        margin: 0;
        padding: 0;
      }
      
      .classTemplate
      {
        display: block;       /* none, block, inline, inline-block */
        position: static;    /* static, absolute, fixed, relative */
        float: none;         /* none, left, right */
        z-index: 0;          /* -int,0,+int */
        visibility: visible; /* visible, hidden */
      }
      
    </style>
  </head>
  <body>
    
    <div class="classTemplate">第一行！<br>第二行！</div>
    <a id="ida">i am ida</a>
    
    <script>
    
      function gebi(strId)
      {
        return document.getElementById(strId);
      }
      
      const buf = new ArrayBuffer(5);
      var view=new Uint8Array(buf);
      view[0]=72;  // H
      view[1]=105; // i
      view[2]=9;  // [tab]
      view[3]=74;  // J
      view[4]=83;  // S
      view[5]=33;  // !
      const blob=new Blob([buf]);
     
      url = window.URL.createObjectURL(blob);
      var a=gebi("ida");
      a.href = url;
      a.download = "thefileName";
      a.click();
      //window.URL.revokeObjectURL(url);

    </script>
    
  </body>
</html>