javascript how to loop over array 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

let my_array = [1, 2, 3, 4, 5];

// standard for loop
for(let i = 0; i < my_array.length; i++) {
  console.log(my_array[i])  // 1 2 3 4 5 6
}

// for and of method
for(let i of my_array) {
	console.log(i)
}

/*
Results:
1 2 3 4 5
1 2 3 4 5
(From both methods)
*/