The Array.forEach() is an inbuilt TypeScript function which is used to calls a function for each element in the array.
Syntax:
array.forEach(callback[, thisObject])
Parameter: This method accepts two parameter as mentioned above and described below:
- callback : This parameter is the Function to test for each element.
- thisObject : This parameter is the Object to use as this when executing callback.
Return Value: This method returns created array.
Below example illustrate the Array forEach() Method in TypeScript.
Example 1:
JavaScript
<script> // Driver code var arr = [ 11, 89, 23, 7, 98 ]; // printing each element arr.forEach(function (value) { console.log(value); });</script> |
Output:
11 89 23 7 98
Example 2:
JavaScript
<script> // Driver code var arr = [ 1, 2, 3, 4, 5 ]; // printing square of element arr.forEach(function (value) { console.log(value * value); });</script> |
Output:
1 4 9 16 25
