window.frames.length : Window Object : Window JAVASCRIPT TUTORIALS

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window.frames.length

Syntax



window.frames["frameName"].length
    window.frames[num].length

The length property contains the number of frame instances in a document created with 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>