Frame:<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml" ><head> <title>2.3 Frame</title></head><FRAMESET rows="20%,*"><FRAME id=fm1 SRC="top.htm"><FRAMESET cols="20%,*"><FRAME id=fm2 SRC="left.htm"><FRAME id= fm3 SCROLLING="NO" SRC="main.htm" ></FRAMESET></FRAMESET></html>取得另一个frame里的内容var hasget = parent.fm3.document.getElementById('Text1').value;var toget = parent.fm3.document.getElementById('Text2').value;var sub=toget-hasget;parent.fm3.document.getElementById('Text3').value=sub;----------------------------------------IFrame:<html xmlns="http://www.w3.org/1999/xhtml" ><head> <title>2.2 IFrame</title></head><body>www.baidu.com<br /><IFRAME ID=IFrame1 FRAMEBORDER=1 SCROLLING=YES SRC="untitled.htm"></IFRAME><br />word<br /><IFRAME ID=IFrame2 FRAMEBORDER=1 SCROLLING=YES SRC="mahui.doc"></IFRAME></body></html>