Cacher is the code snippet organizer for pro developers

    var   
        myDoc = app.activeDocument,  
        mStory = myDoc.textFrames.item("story").parentStory,  
        mEndNotes = myDoc.textFrames.add( {name:"EndNotes"} ),  
        k, len, cIP, currPara, currFoot, mMarkers;  
      
    app.findGrepPreferences = app.changeGrepPreferences = null;  
    //---------------------------------------------  
    // edit doc.footnoteOption here  
    with (myDoc.footnoteOptions)   
        {  
        showPrefixSuffix = FootnotePrefixSuffix.PREFIX_SUFFIX_BOTH;  
        prefix = "[";  
        suffix = "]";  
        separatorText = "\t";  
        markerPositioning = FootnoteMarkerPositioning.NORMAL_MARKER;  
        }  
    //------------------------------------------------------------  
    // move endnotes to a separate textFrame  
    for (k=mStory.paragraphs.length - 1; k >=0; k--)   
        {  
        if (mStory.paragraphs[k].contents.search(/^\[\d+\]/) == 0)   
            {  
            currPara = mStory.paragraphs[k].move(LocationOptions.AT_BEGINNING, mEndNotes.parentStory);  
            currPara.words[0].remove();  
            }  
        }  
    //--------------------------------------  
    // create footnote markers  
    app.findGrepPreferences.findWhat = "\\[\\d+\\]";  
    mMarkers = mStory.findGrep();  
    len = mMarkers.length;  
    while (len-->0) {  
        cIP = mMarkers[len].insertionPoints[0].index;  
        mMarkers[len].remove();  
        mStory.footnotes.add( LocationOptions.AFTER, mStory.insertionPoints[cIP] );  
        }  
    //-------------------------------------------------------  
    // fill footnote contents with proper text  
    for (k=0; k < mStory.footnotes.length; k++) {  
        currFoot = mStory.footnotes[k];  
        mEndNotes.paragraphs[0].texts[0].move(LocationOptions.AT_END, currFoot.texts[0]);  
        if (mStory.footnotes[k].characters[-1].contents == "\r") mStory.footnotes[k].characters[-1].remove();  
        }  
      
    mEndNotes.remove();