Update Solution.js

Author: yanglbme

solution/0800-0899/0885.Spiral Matrix III/Solution.js

@@ -6,35 +6,30 @@
  * @return {number[][]}
  */
 var spiralMatrixIII = function (rows, cols, rStart, cStart) {
-    let result = [];
-    let totalCells = rows * cols;
-    let directions = [
+    const ans = [];
+    const totalCells = rows * cols;
+    const directions = [
         [0, 1],
         [1, 0],
         [0, -1],
         [-1, 0],
     ];
     let step = 0;
     let d = 0;
-    let r = rStart,
-        c = cStart;
-
-    result.push([r, c]);
-
-    while (result.length < totalCells) {
-        if (d === 0 || d === 2) step++;
-
+    let [r, c] = [rStart, cStart];
+    ans.push([r, c]);
+    while (ans.length < totalCells) {
+        if (d === 0 || d === 2) {
+            step++;
+        }
         for (let i = 0; i < step; i++) {
             r += directions[d][0];
             c += directions[d][1];
-
             if (r >= 0 && r < rows && c >= 0 && c < cols) {
-                result.push([r, c]);
+                ans.push([r, c]);
             }
         }
-
         d = (d + 1) % 4;
     }
-
-    return result;
+    return ans;
 };