JAVASCRIPT

javascript loop through array

var colors = ["red","blue","green"];
colors.forEach(function(color) {
  console.log(color);
});

iterate through array js

var arr = ["f", "o", "o", "b", "a", "r"]; 
for(var i in arr){
	console.log(arr[i]);
}

javascript loop through array

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

for (let item of array) {
  console.log(item);
}

javascript loop through array

const myArray = ['foo', 'bar'];

myArray.forEach(x => console.log(x));

//or

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

iterate through array javascript

const array = ["one", "two", "three"]
array.forEach(function (item, index) {
  console.log(item, index);
});

How to Loop Through an Array with a for…in Loop in JavaScript

const scores = [22, 54, 76, 92, 43, 33];

for (i in scores) {
    console.log(scores[i]);
}

// will return
// 22
// 54
// 76
// 92
// 43
// 33

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]);
}

javascript loop through array

const array = ["one", "two", "three"]
array.forEach(function (item, index) {
  console.log(item, index);
});
 Run code snippet

javascript function loop through array

//function arrayLooper will loop through the planets array
const planets = ["Mercury", "Venus", "Earth", "Mars"];

const arrayLooper = (array) => {
  for (let i = 0; i < array.length; i++) {
    console.log(array[i]);
  }
};
arrayLooper(planets);

iterate through array js

let arbitraryArr = [1, 2, 3];
// below I choose let, but var and const can also be used 
for (let arbitraryElementName of arbitraryArr) {
  console.log(arbitraryElementName);
}

loop through array javascript

/* ES6 */
const cities = ["Chicago", "New York", "Los Angeles"];
cities.map(city => {
	console.log(city)
})

javascript best way to iterate over array

[1,2,3,4,"df"].forEach((value, index) => console.log(index,value));
output
0 1
1 2
2 3
3 4
4 'df'

loop through array in javascript

var data = [1, 2, 3, 4, 5, 6];

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

js looping through array

let Hello = ['Hi', 'Hello', 'Hey'];

for(let i = 0; i < Hello.length; i++) {
    console.log(Hello[i]); // -> Hi Hello Hey
}

loop through an array in js

let exampleArray = [1,2,3,4,5]; // The array to be looped over

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

Iterate Through an Array with a For Loop

var arr = [10, 9, 8, 7, 6];
for (var i = 0; i < arr.length; i++) {
   console.log(arr[i]);
}

how to loop through an array

int[] numbers = {1,2,3,4,5};
for (int i = 0; i < numbers.length; i++) {
	System.out.println(i);
}

create a loop that runs through each item in an array

Create a loop that runs through each item in the "fruits" array.

var fruits = ['Apple', 'Banana', 'Orange']

for(x of fruits){
	console.log(x);
}

javascript loop through array

array.forEach(item => console.log(item));

javascript loop through array

var numbers = [1, 2, 3, 4, 5];
numbers.forEach((Element) => console.log(Element));

iterate through an array

var arr = [1,2,3,4,5,6,7,8];

// Uses the usual "for" loop to iterate
for(var i= 0, l = arr.length; i< l; i++){
	console.log(arr[i]);
}

console.log("========================");

//Uses forEach to iterate
arr.forEach(function(item,index){
	console.log(item);
});

loop over an array

let fruits = ['Apple', 'Banana'];

fruits.forEach(function(item, index, array) {
  console.log(item, index);
});
// Apple 0
// Banana 1

JS iterate over an array

const beatles = ["paul", "john", "ringo", "george"];

beatles.forEach((beatle) => {
  console.log(beatle.toUpperCase());
});

javascript loop through array

let data = [1,2,3];

data.forEach(n => console.log(n));

javascript loop through array

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

for(num of array) {
  console.log(num); 
}

javascript best way to loop through array

var len = arr.length;
while (len--) {
    // blah blah
}

iterate over array javascript

var txt = "";
var numbers = [45, 4, 9, 16, 25];
numbers.forEach(myFunction);

function myFunction(value, index, array) {
  txt = txt + value + "<br>";
}

Javascript using for loop to loop through an array

// Durations are in minutes 
const tasks = [
  {
    'name'     : 'Write for Envato Tuts+',
    'duration' : 120
  },
  {
    'name'     : 'Work out',
    'duration' : 60
  },
  {
    'name'     : 'Procrastinate on Duolingo',
    'duration' : 240
  }
];

const task_names = [];
 
for (let i = 0, max = tasks.length; i < max; i += 1) {
    task_names.push(tasks[i].name);
}

console.log(task_names) // [ 'Write for Envato Tuts+', 'Work out', 'Procrastinate on Duolingo' ]

how to loop over an array in js

var data = [1, 2, 3, 4, 5, 6];

// Using for each loop
data.forEach( (x) => {
  console.log(x)
}

JS iterate over an array

const beatles = [ "john", "paul", "ringo", "george"];

beatles.forEach((beatle) => {
  console.log(beatle);
});

javascript array looping example

var array = ['a', 'b', 'c']
array.forEach((value, index) => {
  console.log(index); // Will log each index
  console.log(value); // Will log each value
});

javascript loop through array

var myStringArray = ["Hello","World"];
var arrayLength = myStringArray.length;
for (var i = 0; i < arrayLength; i++) {
    console.log(myStringArray[i]);aegweg
    //Do something
}

javascript loop through array

/*Testing*/
let con = 6;

Loop through array

String[] cars = {"Volvo", "BMW", "Ford", "Mazda"};
System.out.println(cars[0]);

// Change elements in array
cars[0] = "Opel";
System.out.println(cars[0]);

// Length of array
System.out.println(cars.length);

// Loop through array
for (int i = 0; i < cars.length; i++) {
  System.out.println(cars[i]);
}

javascript loop through array

var myStringArray = ["Hello","World"];
var arrayLength = myStringArray.length;
for (var i = 0; i < arrayLength; i++) {
    console.log(myStringArray[i]);
    //Do something
}
 Run code snippet

Loop through an array

String[] fruits = {"apple", "orange", "pear"};
for(int i=0; i<fruits.length; i++)
{
System.out.println(fruits[i]);

}

loop through an array

String[] myStringArray = {"Hello", "World"};
for (String s : myStringArray) {
    // Do something
}

Iterating or loop through the elements of an array is with a for loop (for):

var keys = Object.keys(o);   // Get an array of property names for object o
var values = []              // Store matching property values in this array
for(var i = 0; i < keys.length; i++) {  // For each index in the array
    var key = keys[i];                  // Get the key at that index
    values[i] = o[key];                 // Store the value in the values array
}

loop over an array

fruits.forEach(function(item, index, array) {
  console.log(item, index)
})
// Apple 0
// Banana 1

for-loop-how-to-loop-through-an-array-in-js

const  myNumbersArray = [ 1,2,3,4,5];

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

javascript loop through array

for(int counter=myArray.length - 1; counter >= 0;counter--){
            System.out.println(myArray[counter]);
        }

Iterate Over an Array,

// Task 1
var dairy = ['cheese', 'sour cream', 'milk', 'yogurt', 'ice cream', 'milkshake'];
function logDairy() {
    for (food of dairy) {
        console.log(food)
    }
}

// Task 2
const animal = {
    canJump: true
};
const bird = Object.create(animal);

bird.canFly = true;

bird.hasFeathers = true;

function birdCan() {
    for (value of Object.keys(bird)) {
        console.log(value + ":" + " " + bird[value])
    }
}
// Task 3
function animalCan() {
    for (props in bird) {
        console.log(`${props}: ${bird[props]}`);
    }
}
logDairy();
birdCan();
animalCan()

loop through array

#include <iostream>
using namespace std;

int main ()
{
   string texts[] = {"Apple", "Banana", "Orange"};
   for( unsigned int a = 0; a < sizeof(texts); a = a + 1 )
   {
       cout << "value of a: " << texts[a] << endl;
   }

   return 0;
}

javascript loop through array

var data = [1, 2, 3, 4, 5, 6];

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

// using for...of
for(let i of data) {
	console.log(i) // 1 2 3 4 5 6
}

// using for...in
for(let i in data) {
  	console.log(i) // Prints indices for array elements
	console.log(data[i]) // 1 2 3 4 5 6
}

// using forEach
data.forEach((i) => {
  console.log(i) // 1 2 3 4 5 6
})
// NOTE ->  forEach method is about 95% slower than the traditional for loop

// using map
data.map((i) => {
  console.log(i) // 1 2 3 4 5 6
})

How to Loop through Array Elements

for str in ${myArray[@]}; do
  echo $str
done

How to Loop Through an Array with a for…of Loop in JavaScript

const scores = [22, 54, 76, 92, 43, 33];

for (score of scores) {
    console.log(score);
}

// will return
// 22
// 54
// 76
// 92
// 43
// 33

How to Loop Through an Array with a for Loop in JavaScript

const scores = [22, 54, 76, 92, 43, 33];

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

// will return
// 22
// 54
// 76
// 92
// 43
// 33

javascript looping through array

javascript loop through array

javascript loop through array

var data = [1, 2, 3, 4, 5, 6];

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

// using for...of
for(let i of data) {
	console.log(i) // 1 2 3 4 5 6
}

javascript loop through array

/* ricky */

Looping arrays with for loop

let items = ["cakes", "banana", "managoes"];
			for (let i = 0; i < items.length; i++) {
				console.log(items[i]);
			}