fix(Array/evenItem, Array/oddItem): performance improvements

martinkr · Nov 11, 2021 · cc30384 · cc30384
1 parent 5953fd3
commit cc30384
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/src/array/even-items.js b/src/array/even-items.js
@@ -3,7 +3,7 @@
  * @param {Array} arr 
  * @returns {Array}
  */
-const fn = (arr, out = [], i) => { for (i = 0; i < arr.length; i = i + 2) out.push(arr[i]); return out; };
+const fn = arr => arr.filter((_, index) => index % 2 === 0);
 
 
 export default fn;
diff --git a/src/array/odd-items.js b/src/array/odd-items.js
@@ -3,7 +3,7 @@
  * @param {Array} arr 
  * @returns {Array}
  */
-const fn = (arr, odds = [], i = 0) => { for (i = 0; i < arr.length; i++) (i & 1) && odds.push(arr[i]); return odds };
+const fn = arr => arr.filter((_, i) => i & 1 === 1);
 
 
 export default fn;