forEach() is an array function from Node.js that is used to iterate over items in a given array.
Syntax:
array_name.forEach(function)
Parameter: This function takes a function (which is to be executed) as a parameter.
Return type: The function returns array element after iteration.
The program below demonstrates the working of the function:
Program 1:
const arr = [ 'cat' , 'dog' , 'fish' ];
arr.forEach(element => {
console.log(element);
});
|
Output:
cat
dog
fish
Program 2:
const arr = [1, 2, 3, 8, 7];
arr.forEach(element => {
console.log(element);
});
|
Output:
1
2
3
8
7