snowybot javascript

var belance = document.getElementById('pct_balance').value;
var bob = (belance/50000).toFixed(8);
var target = 64000;
parseFloat(document.getElementById('pct_bet').value = bob);
parseFloat(document.getElementById('pct_profit').value = bob);
var old = document.getElementById('pct_balance').value;
var olda = document.getElementById('pct_balance').value;
var older = document.getElementById('pct_balance').value;
var olderest = document.getElementById('pct_balance').value
var x = bob
var v = 10000000
var win;
var chance = 9.9
document.getElementById('pct_chance').value = chance;
var nextbet;


function dobet(){
console.clear()
var balance=document.getElementById('pct_balance').value;
var previousbet = document.getElementById('pct_bet').value;
document.getElementById('pct_chance').value = chance;
  if (balance>old) {
      old = parseFloat(balance);
  }
  if (balance<(old-(x*20))) {
    nextbet = previousbet*2;
    x       = nextbet;
    old     = parseFloat(balance);
    }
  if (balance<olda) {
      olda = parseFloat(balance);
    }
  if (balance>(olda+(x*45))) {
    nextbet = previousbet*2;
    x       = nextbet;
    olda    = parseFloat(balance);
    }
  if (balance>(older+(bob*50))) {
    nextbet = bob;
    x       = bob;
    old     = parseFloat(balance);
    olda    = parseFloat(balance);
    older   = parseFloat(balance);
    }
if (nextbet==null) {
nextbet=previousbet;
}
if ((balance > target) || (nextbet>balance)){
//stop();
}
var freak = (balance-olderest).toFixed(8);
console.log("balance made");
console.log(freak);
parseFloat(document.getElementById('pct_bet').value = nextbet);
parseFloat(document.getElementById('pct_profit').value = nextbet);
$('#a_lo').click();
}
setInterval(() => dobet(), 2000);