<!DOCTYPE html>
<html lang="en-US">
<body>
<h1>Binary to Decimal Converter</h1>
<script>
var num = 1000001;
var arr = [];
var i = -1;
var j;
var total = 0;
while(num != 0)
{
i++;
arr[i] =num % 10;
// console.log(arr[i]);
num = Math.floor(num / 10);
}
for(j=i; j>=0; j--)
total += (arr[j] * Math.pow(2, j));
document.write(total);
</script>
<p><strong>Note</strong>: In this example, binary number (1000001) is converted into decimal number (65).</p>
</body>
</html>