Create 1342-number-of-steps-to-reduce-a-number-to-zero.js

javascript/1342-number-of-steps-to-reduce-a-number-to-zero.js

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+/**
+ * @param {number} num
+ * @return {number}
+ */
+var numberOfSteps = function (num) {
+    let count = 0; // initialize count to zero
+    let ans = num; // initialize ans to num
+    while (ans >= 0) { // loop the ans if anwer is greater than or equal to zero
+        if (ans === 0) { // if ans is zero then break while loop
+            break;
+        }
+        if (ans % 2 === 0) { // if ans is even then divide it by 2 and increment count
+            ans /= 2;
+            count++;
+        } else { // if ans is odd then decrement ans by -1 and increment count
+            ans -= 1;
+            count++;
+        }
+    }
+    return count; // return the count
+};