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snippets/js/s/for-each-right.md

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+---
+title: Execute function for each array element in reverse
+type: snippet
+language: javascript
+tags: [array]
+cover: interior-6
+dateModified: 2020-10-19T22:49:51+03:00
+---
+
+Executes a provided function once for each array element, starting from the array's last element.
+
+- Use `Array.prototype.slice()` to clone the given array and `Array.prototype.reverse()` to reverse it.
+- Use `Array.prototype.forEach()` to iterate over the reversed array.
+
+```js
+const forEachRight = (arr, callback) =>
+  arr
+    .slice()
+    .reverse()
+    .forEach(callback);
+```
+
+```js
+forEachRight([1, 2, 3, 4], val => console.log(val)); // '4', '3', '2', '1'
+```