double whopper snowybot

var belance = document.getElementById('pct_balance').value;
document.getElementById('pct_chance').value = 49.5;
document.getElementById('pct_payout').value = 2;
var bob = 100000000000;
var b = 0.01;
var basebet = b;
var i = document.getElementById('pct_balance').value;
var oldbal = document.getElementById('pct_balance').value;
var oldb = document.getElementById('pct_balance').value;
var f = true;
var target = 10000;
var olderest = document.getElementById('pct_balance').value
var old = document.getElementById('pct_balance').value;
var olde = document.getElementById('pct_balance').value;
var older = document.getElementById('pct_balance').value;
var oldt = document.getElementById('pct_balance').value;
var nextbet;
var r = true;
var j = true;
var bok = 0;
var box = 0;
var bim = (basebet*3);
var zim = (basebet*6);
var wild = document.getElementById('pct_balance').value;
var min =document.getElementById('pct_balance').value;
parseFloat(document.getElementById('pct_bet').value = b);
parseFloat(document.getElementById('pct_profit').value = b);


function dobet(){
console.clear()
var balance = document.getElementById('pct_balance').value;
var previousbet = document.getElementById('pct_bet').value;
document.getElementById('pct_chance').value = 49.5;
document.getElementById('pct_payout').value = 2;
if (nextbet==null) {
nextbet = previousbet;
}
if (balance>=(oldbal+(b*5))) {
    nextbet = b*2;
    f = true;
}
if (balance<=(oldbal-(b*4))) {
    nextbet = b*2;
    f = false;
    oldbal = parseFloat(balance);
    }
if ((balance>=(old+(b*9)))||((balance>=old)&&(f==false))||(balance<=(old-(b*9)))) {
    nextbet = b;
    basebet = b;
    f = true;
    oldbal = parseFloat(balance);
    old = parseFloat(balance);
}
if (balance>=target) {
//stop();
return;
}
if (balance>wild) {
wild = parseFloat(balance);
}
if (balance<min) {
min = parseFloat(balance);
}
var freak = ((balance-olderest).toFixed(8));
console.log("balance made");
console.log(freak);
console.log("biggest balance");
console.log(parseFloat(wild));
console.log("lowest balance");
console.log(parseFloat(min));
parseFloat(document.getElementById('pct_bet').value = (((nextbet*2)-nextbet).toFixed(8)));
parseFloat(document.getElementById('pct_profit').value = (((nextbet*2)-nextbet).toFixed(8)))
$('#a_lo').click();
}
setInterval(() => dobet(), 1200);