javascript for loop array length code example

Example 1: loop through an array javascript

let array = ['Item 1', 'Item 2', 'Item 3'];

// Here's 4 different ways
for (let index = 0; index < array.length; index++) {
  console.log(array[index]);
}

for (let index in array) {
  console.log(array[index]);
}

for (let value of array) {
  console.log(value); // Will log value in array
}

array.forEach((value, index) => {
  console.log(index); // Will log each index
  console.log(value); // Will log each value
});

Example 2: javascript loop through array

const numbers = [1, 2, 3, 4]
numbers.forEach(number => {
	console.log(number);
}

for (let i = 0; i < number.length; i++) {
	console.log(numbers[i]);
}