Add solution #1281

Author: JoshCrozier

README.md

@@ -1,4 +1,4 @@
-# 1,403 LeetCode solutions in JavaScript
+# 1,404 LeetCode solutions in JavaScript
 
 [https://leetcodejavascript.com](https://leetcodejavascript.com)
 
@@ -980,6 +980,7 @@
 1276|[Number of Burgers with No Waste of Ingredients](./solutions/1276-number-of-burgers-with-no-waste-of-ingredients.js)|Medium|
 1277|[Count Square Submatrices with All Ones](./solutions/1277-count-square-submatrices-with-all-ones.js)|Medium|
 1278|[Palindrome Partitioning III](./solutions/1278-palindrome-partitioning-iii.js)|Hard|
+1281|[Subtract the Product and Sum of Digits of an Integer](./solutions/1281-subtract-the-product-and-sum-of-digits-of-an-integer.js)|Easy|
 1282|[Group the People Given the Group Size They Belong To](./solutions/1282-group-the-people-given-the-group-size-they-belong-to.js)|Medium|
 1283|[Find the Smallest Divisor Given a Threshold](./solutions/1283-find-the-smallest-divisor-given-a-threshold.js)|Medium|
 1284|[Minimum Number of Flips to Convert Binary Matrix to Zero Matrix](./solutions/1284-minimum-number-of-flips-to-convert-binary-matrix-to-zero-matrix.js)|Hard|

solutions/1281-subtract-the-product-and-sum-of-digits-of-an-integer.js

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+/**
+ * 1281. Subtract the Product and Sum of Digits of an Integer
+ * https://leetcode.com/problems/subtract-the-product-and-sum-of-digits-of-an-integer/
+ * Difficulty: Easy
+ *
+ * Given an integer number n, return the difference between the product of its digits and
+ * the sum of its digits.
+ */
+
+/**
+ * @param {number} n
+ * @return {number}
+ */
+var subtractProductAndSum = function(n) {
+  let product = 1;
+  let sum = 0;
+
+  while (n > 0) {
+    const digit = n % 10;
+    product *= digit;
+    sum += digit;
+    n = Math.floor(n / 10);
+  }
+
+  return product - sum;
+};