JAVASCRIPT

foreach loop javascript

const numList = [1, 2, 3];

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

foreach loop 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)
  })

forEach

const arraySparse = [1,3,,7]
let numCallbackRuns = 0

arraySparse.forEach((element) => {
  console.log(element)
  numCallbackRuns++
})

console.log("numCallbackRuns: ", numCallbackRuns)

// 1
// 3
// 7
// numCallbackRuns: 3
// comment: as you can see the missing value between 3 and 7 didn't invoke callback function.

foreach loop javascript

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

ForEach loop

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

for each loop in javascript

array.forEach(element => {
  // syntex
});

ForEach

let data = ["A", "B", "C", "D"];
function process(element)
{
    console.log(element);
}
// With named Function
data.forEach(process);

// With Lambda/anonymous Function
data.forEach((element) => console.log(element));

foreach

array.foreach((item)=>{
				console.log(item);
             });

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
*/
?>

foreach

const { chromium } = require("playwright");
const fs = require("fs");

(async () => {
  const browser = await chromium.launch();
  const page = await browser.newPage();
  await page.goto("https://danube-webshop.herokuapp.com");
  const content = await page.evaluate(() => {
    let data = [];

    let books = document.querySelectorAll(".preview");
    books.forEach((book) => {
      let title = book.querySelector(".preview-title").innerText;
      let author = book.querySelector(".preview-author").innerText;
      let price = book.querySelector(".preview-price").innerText;
      data.push({
        title,
        author,
        price,
      });
    });
    return data;
  });

  const jsonData = JSON.stringify(content);
  fs.writeFileSync("books.json", jsonData);
  await browser.close();
})();

foreach loop

//if you use Laravel Blade, do this 

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