infixToBinary Parsing

infixToBinaryParsing

for (var s = 0; s < input.length; ) {
	var token;
	if (isNaN(input[s])) {
		token = input[s];
		s+=1;
	} else {
		var i = s + 1;
		while(i < input.length && !isNaN(input[i])) {
			i+=1;
		}
		token = input.substring(s,i);
		s = i;
	}
	
	...
}