Syntax
window.frames["frameName"] window.frames[num]
The frames property contains an array that stores each frame instance created with the tag, in a document.
Array entries can be referenced either by index number or by the name assigned by the NAME attribute of the tag.
<html> <script language="JavaScript"> <!-- for(var i = 0; i <= window.frames.length; i++){ newWin.document.write("The name of frame #" + i); newWin.document.write(" is " + window.frames[i].name + "<br>"); } --> </script> </html>