for-each

JsLoops/for-each.md

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+# JavaScript forEach
+
+## Description
+The `forEach` method is used to iterate over elements in an array and execute a provided function once for each array element.
+
+## Syntax
+```javascript
+array.forEach(callback(currentValue [, index [, array]]) {
+  // Your code here
+}, thisArg);
+```
+### Parameters
+```callback:``` Function to execute for each element. <br/>
+```currentValue:``` The current element being processed in the array. <br/>
+```index (optional):``` The index of the current element being processed in the array. <br/>
+```array (optional):``` The array forEach was called upon. <br/>
+```thisArg (optional):``` Object to use as this when executing the callback. <br/>
+
+## Example
+```javascript
+const numbers = [1, 2, 3, 4, 5];
+
+numbers.forEach(function (num, index) {
+  console.log(`Element at index ${index}: ${num}`);
+});
+```
+Output :
+```
+Element at index 0: 1
+Element at index 1: 2
+Element at index 2: 3
+Element at index 3: 4
+Element at index 4: 5
+```