foreach array helper in javascript

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This JavaScript code defines an array of colors and an array of numbers, and then it demonstrates different ways to iterate through these arrays and perform various operations. Here’s a breakdown of the code:
<script>
// Define an array of colors
var colors = ["Red", "Green", "Black"];
// Use a for loop to iterate through the colors array and log each color
for (var i = 0; i < colors.length; i++) {
console.log(colors[i]);
}
// Use the forEach method to iterate through the colors array and log each color
colors.forEach(function (color) {
console.log(color);
});
// Define an array of numbers
var numbers = [1, 2, 3, 4, 5];
// Initialize a variable to store the sum of numbers
var sum = 0;
// Define a function called adder that adds a number to the sum
function adder(number) {
sum += number;
}
// Use the forEach method to iterate through the numbers array and call the adder function
numbers.forEach(adder);
// Use the forEach method with an anonymous function to iterate through the numbers array and directly add to the sum
numbers.forEach(function (number) {
sum += number;
});
// Log the final sum after iterating through the numbers array
console.log(sum);
</script>

In summary:

1- The code prints each color in the “colors” array twice: once using a for loop and once using the forEach method.
2- The code calculates the sum of the numbers in the “numbers” array using two different approaches: by calling a separate adder function with forEach and by directly adding the numbers within an anonymous function passed to forEach.
3- Finally, it logs the total sum of the numbers.