const mister = {  //object to hold combination functions useful for MisterMind
    blank:(n)=> Array.from({length:n},()=> -1),  // an array of n blanks encoded with -1 values
    rand:(n,range)=> Array.from({length:n},()=> Math.floor(Math.random()*range)), // fills a parallel array with random vals
    codeSet:(n,range)=> Array.from({length:Math.pow(range, n)}, (_,i)=> Array.from(baseChange(i,n,range))), // complete set of codeds 
    counts: function(code, range){  // count the number of each type in the range (used for scoring)
        let counts = Array.from({length:range},()=>0);
        code.forEach(x => counts[x]++);
        return counts;
    },
    displayScore:(sc)=> Array.from({length:sc[0]+sc[1]},(_,i)=> (i>=sc[0]?0:1)).map((x)=>`<div class='score s${x}'></div>`).join(""),    // html for a score array [3,1] #black and #whites (requires css styles)
    displayCode:(code)=> code.map((x)=>`<div class='peg p${(x>=0 ? x:"empty")}'>${x==-1?"&nbsp;":colour[x]}</div>`).join("")  // html for a peg array (requires css styles)
}