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IE8-IFRAME導致刷新整個頁面

[英]IE8 - IFRAME causes refresh of entire page

我有一個基於IFRAME的上傳器文件。 在Firefox和Google Chrome瀏覽器上都可以正常工作,但在Internet Explorer 8中,當您發送文件時,整個頁面都會刷新。 按照我的代碼:

JS:

  function test(){
     iframe = document.createElement("IFRAME");  
     iframe.name = "iframe_upload";
     iframe.id = "iframe_upload"; //some browsers target by id not name
     document.body.appendChild(iframe);
     document.getElementById("test").target = "iframe_upload";
  }

HTML:

<form id="test" method="post" target="iframe_upload" enctype="multipart/form-data" onsubmit="javascript:test()" action="test.php">
  <input name="image" type="file" /> 
  <input type="submit" value="Submit" />
</form>

onsubmit操作返回:

onsubmit="return test();"

並從函數返回false

function test(){
   iframe = document.createElement("IFRAME");  
   iframe.name = "iframe_upload";
   iframe.id = "iframe_upload"; //some browsers target by id not name
   document.body.appendChild(iframe);
   document.getElementById("test").target = "iframe_upload";
   return false;
}

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