document.head.appendChild或document.createElement在IE中不起作用

Vin*_*meo 15 javascript internet-explorer

我有一个脚本在我的html文档的头部运行,它适用于除Internet Explorer之外的每个浏览器.在Opera,Safari,Chrome,Firefox,Internet Explorer中测试过.

我的代码如下:

<html>
  <head>
    <script type = "text/javascript">
      var date = new Date();
      var month = date.getMonth() + 1;
      if (month >= 3 && month <= 5)
      {
        var NewScript = document.createElement("script");
        NewScript.type = "text/javascript";
        NewScript.src = "source1.js";
        var NewStyles = document.createElement("link");
        NewStyles.rel = "stylesheet";
        NewStyles.type = "text/css";
        NewStyles.href = "css1.css";
        document.head.appendChild(NewScript);
        document.head.appendChild(NewStyles);
      }
      else
      {
        var NewScript = document.createElement("script");
        NewScript.type = "text/javascript";
        NewScript.src = "source2.js";
        var NewStyles = document.createElement("link");
        NewStyles.rel = "stylesheet";
        NewStyles.type = "text/css";
        NewStyles.href = "css2.css";
        document.head.appendChild(NewScript);
        document.head.appendChild(NewStyles);
      }
    </script>
  </head>
  <body>
  <!-- MY CONTENT GOES HERE -->
  </body>
</html>
Run Code Online (Sandbox Code Playgroud)

我不确定它是不是在IE中工作的document.createElement或document.head.appendChild.如前所述,它适用于我测试过的所有其他浏览器.非常感谢您的帮助,因为我将继续自己找到问题/解决方案.谢谢!

ste*_*ewe 37

尝试document.getElementsByTagName('head')[0]而不是document.head