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A small example of JS implementation of click download_javascript skills

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2016-05-16 17:29:141289browse
复制代码 代码如下:


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          <script>  <br>                  function   savepic()<br>                {  <br>                  if(document.all.a1==null)<br>                        {  <br>                                  objIframe=document.createElement("IFRAME");  <br>                                  document.body.insertBefore(objIframe);  <br>                                  objIframe.outerHTML=   "<iframe   name=a1   style='width:0;hieght:0'   src=" pic1.href "></iframe>";  <br>                                  re=setTimeout("savepic()",1)  <br>                          }  <br>                 else<br>                        {  <br>                                  clearTimeout(re)  <br>                                  pic   =   window.open(pic1.href,"a1")  <br>                                  pic.document.execCommand("SaveAs")  <br>                                  document.all.a1.removeNode(true)  <br>                          }<br>                }  <br>          </script>
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