![]() You can integrate TypeScript into your React app. Instead, it modifies the original array and updates its values with the new value. The forEach loop also doesn’t have a return value. However, forEach loop is preferred if you are iterating between array elements and wish to perform operations on each array element.Īdditionally, if you want to modify the original array, then you should use the forEach loop in TypeScript. There are other ways to iterate between elements of a list or an array, such as the map(), filter(), or reduce() function. Using foreach loop with Map data type When to Use TypeScript forEach Loop? We can use the forEach function to display the key and the value of this Map. ![]() In the code above, we create a Map to collect the user’s first name and last name.
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