JAVASCRIPT

foreach loop javascript

const numList = [1, 2, 3];

numList.forEach((number) => {
  console.log(number);
});

foreach in javascript

const avengers = ['IronMan','thor', 'captain america', 'hulk'];
avengers.forEach((item, index)=>{
	console.log(index, item)
})

Array Foreach Loop

const avengers = ['thor', 'captain america', 'hulk'];
avengers.forEach(element => {
  //Statement
  console.log(element);
});

how to use foreach in javascript

var array = ["a","b","c"];
// example 1
  for(var value of array){
    console.log(value);
    value += 1;
  }

// example 2
  array.forEach((item, index)=>{
    console.log(index, item)
  })

javascript foreach loop

const array = ['Element_1', 'Element_2', 'Element_3']
array.forEach((currentElement, currentElementIndex, arrayOfCurrentElement) => {
  console.log(currentElement, currentElementIndex, arrayOfCurrentElement)
})

forEach method Javascript

var counter = new Counter();
var numbers = [1, 2, 3];
var sum = 0;
numbers.forEach(function (e) {
    sum += e;
    this.increase();
}, counter);

console.log(sum); // 6
console.log(counter.current()); // 3
Code language: JavaScript (javascript)

.forEach in Javascript

// Arrow function
forEach((element) => { ... } )
forEach((element, index) => { ... } )
forEach((element, index, array) => { ... } )

// Callback function
forEach(callbackFn)
forEach(callbackFn, thisArg)

// Inline callback function
forEach(function callbackFn(element) { ... })
forEach(function callbackFn(element, index) { ... })
forEach(function callbackFn(element, index, array){ ... })
forEach(function callbackFn(element, index, array) { ... }, thisArg)

foreach method of array in javascript

// foreach method of array in javascript
let numberArray = [1,2,3,4,5];
function printArrayValue(value, index){
    console.log(`value: ${value} = index: ${index}`);
}
numberArray.forEach(printArrayValue);
// Output:
// value: 1 = index: 0
// value: 2 = index: 1
// value: 3 = index: 2
// value: 4 = index: 3
// value: 5 = index: 4

foreach loop javascript

listName.forEach((listItem) => {
  Logger.log(listItem);
}):

how to use the foreach method in javascript

groceries.forEach(groceryItem => console.log(groceryItem));

.forEach in Javascript

Array.prototype.forEach.call(node.childNodes, (child) => {
    // Do something with `child`
});

ForEach loop

const a = ["a", "b", "c"];
a.forEach((entry) => {
    console.log(entry);
});

foreach loop

<?php

//use for printing arrays.

$x=array("Cat","Dog","Hen");

foreach($x as $value)
{
	echo $value."<br>";
}

//======output=====
/*
Cat
Dog
Hen
*/

foreach($x as $key => $value)
{
	echo $key."-".$value."<br>";
}
//======output=====
/*
0-Cat
1-Dog
2-Hen
*/
?>

Using the forEach function In JavaScript

 
		  let text = "";
function add()
		  { 
			  var node = Node.prototype;
			 nodeList =  NodeList.prototype;
			 const xxx = ["q", "w", "e", "r", "t"];
			 xxx.forEach(change);
			 console.log(xxx);
			 console.log(text);
             /*notice the array does not change but text does*/
	 }
	 function change(item, index) {
		 text += item+index;
	 }

foreach loop

//if you use Laravel Blade, do this 

@foreach($var as $vars)
	{{$vars->value}}
@endforeach

foreach in javascript

<p>forEach() calls a function for each element in an array:</p>

<p>Multiply the value of each element with 10:</p>

<p id="demo"></p>

<script>
const numbers = [65, 44, 12, 4];
numbers.forEach(myFunction)

document.getElementById("demo").innerHTML = numbers;

function myFunction(item, index, arr) {
  arr[index] = item * 10;
}
</script>

forEach() calls a function for each element in an array:

Multiply the value of each element with 10:

650,440,120,40