click download_javascript 기술의 JS 구현에 대한 작은 예

复aze代码 代码如下:

 点击下载 
          <스크립트> 
                 기능   savepic()
               { 
                if(document.all.a1==null)
                      { 🎜>                                objIframe=document.createElement("IFRAME"); 
                                 document.body.insertBefore(objIframe); 
                                objIframe.outerHTML=   ""; 
                               re=setTimeout("savepic()",1) 
                      } 
                else
                   { 
                              clearTimeout(re) 
                             pic   =   window.open(pic1.href,"a 1" )                         }
               }