September Morn Update

Task/Evaluate-binomial-coefficients/JavaScript/evaluate-binomial-coefficients.js

@@ -1,7 +1,14 @@
 function binom(n, k) {
     var coeff = 1;
-    for (var i = n-k+1; i <= n; i++) coeff *= i;
-    for (var i = 1;     i <= k; i++) coeff /= i;
+    var i;
+
+    if (k < 0 || k > n) return 0;
+
+    for (i = 0; i < k; i++) {
+        coeff = coeff * (n - i) / (i + 1);
+    }
+
     return coeff;
 }
-print(binom(5,3));
+
+console.log(binom(5, 3));