var lowest = 6000;
setInterval( function() {
        temp1 = document.getElementById("thebutton-s-10s").innerHTML;
        temp2 = document.getElementById("thebutton-s-1s").innerHTML;
        temp3 = document.getElementById("thebutton-s-100ms").innerHTML;
        temp4 = document.getElementById("thebutton-s-10ms").innerHTML;

        temp = temp1+temp2+temp3+temp4;
        if( temp < lowest )
        {
                lowest = temp;
                console.log("New lowest ->> "+temp);
        }

}, 1);