js/dist/sll.js
function len(head) {

			var length = 0;

			while (head !== null) {

				++length;
				head = head.next;
			}

			return length;
		}
function len(head) {

			var length = 0;

			while (head !== null) {

				++length;
				head = head.next;
			}

			return length;
		}
/* js/src/utils/len.js