max-consecutive-rep-char.html

<!-- / Maximum consecutive repeating character in string-->

<!DOCTYPE html>
<html>
<head>
	<title>Maximum consecutive repeating character in string</title>

	<script type="text/javascript">
		
		function maxRepeating(str) {
		    var n = str.length;
		    var count = 0;
		    var res = str[0];
		    var cur_count = 1;
		 
		    // Traverse string except last character
		    for (var i=0; i<n; i++) {
		        // If current character matches with next
		        if (i < n-1 && str[i] == str[i+1])
		            cur_count++;

				
		 
		        // If doesn't match, update result
		        // (if required) and reset count
		        else {
		            if (cur_count > count) {
		                count = cur_count;
		                res = str[i];
		            }
		            cur_count = 1;
		        }
		    }
		    console.log(res);
		}

		maxRepeating("9986961400");

	</script>
</head>
<body>

</body>
</html>