for js array code example

Example 1: javascript iterate array

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 each value
}

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

Example 2: for of array javascript

let colors = ['red', 'green', 'blue'];
for (const color of colors){
    console.log(color);
}

Example 3: for array javascript

let iterable = [10, 20, 30];

for (let value of iterable) {
  value += 1;
  console.log(value);
}
// 11
// 21
// 31

Example 4: use these instead of a for loop javascript

const array = [1, 2, 3];array.forEach(function(elem, index, array) {    array[index] = elem * 2;});console.log(array); // [2,4,6]

Example 5: javascript for of

const numbers = [1,2,3,4];

for(const item of numbers){
  console.log(item);
}