trial

var divider = 100; var chance = 49.5; var a = 1;
var balance = parseFloat(document.getElementById('pct_balance').value);
var target = balance*1.2;
var betAmt = ((balance/divider).toFixed(8));
var mybet;
document.getElementById('pct_chance').value = chance;
parseFloat(document.getElementById('pct_bet').value = betAmt);
function dobet(){
balancez = document.getElementById('pct_balance').value;
var stuit = document.getElementById('pct_bet').value;
document.getElementById('pct_chance').value = chance;
if (mybet==null) {
mybet = stuit;
}
if (balancez>balance) {
    balance = parseFloat(balancez);
    mybet = ((stuit*2).toFixed(8));
}
if (balancez<balance) {
    balance = parseFloat(balancez);
    mybet = betAmt;
}
if (balancez>=target) {
//stop();
return;
}
if (a==0) {
//stop();
return;
}
balancez = document.getElementById('pct_balance').value;
parseFloat(document.getElementById('pct_bet').value = ((mybet*1).toFixed(8)));
$('#a_lo').click();
console.log(balancez, balance, mybet, target);
}
setInterval(() => dobet(), 300);