fuckingawesomenigga

const string = '100 EUR * 10 +100 EUR - 300 EUR* 50 EUR';
const anotherString = string.replace(/\s*([-+/*])\s*/g, (match, char) => ` ${char} `);

console.log(anotherString);

let newPage = await browser.newPage();
            try {
                await newPage.goto(link);
                dataObj['text'] = await newPage.$eval('.block', div => div.textContent);
            } catch(er) {
                await newPage.close();
                // await browser.close(); // для наглядности
                //console.error(er); // показать ошибку в консоле
            }

Math.ceil(block.scrollTop + block.clientHeight) >= Math.ceil(block.scrollHeight)

const attrName = 'data-i';
const attrValues = [ 'qwe', 'asd', 'zxc' ];
const className = 'класс';

document
  .querySelectorAll(attrValues.map(n => `[${attrName}="${n}"]`))
  .forEach(n => n.classList.add(className));

document.querySelectorAll(`[${attrName}]`).forEach(n => {
  n.classList.toggle(className, attrValues.includes(n.getAttribute(attrName)));
});

const itemSelector = '.parent';
const className = 'xxx';

document.querySelectorAll(itemSelector).forEach(n => {
  n.addEventListener('mouseenter', onHover);
  n.addEventListener('mouseleave', onHover);
});

function onHover(e) {
  const state = e.type === 'mouseenter';
  for (
    let el = this;
    (el = el.nextElementSibling) && !el.matches(itemSelector);
    el.classList.toggle(className, state)
  ) ;
}

.parent:hover ~ .child {
  ...
}

.parent:hover ~ .parent ~ .child {
  ...
}

<div class="buttons">
    <div class="row">
        <button class="parent">...</button>
    </div>
    <div class="row">
        <button class="parent">...</button>
        <button class="child">...</button>
        <button class="child">...</button>
        <button class="child">...</button>
        <button class="child">...</button>
    </div>
    <div class="row">
        <button class="parent">...</button>
        <button class="child">...</button>
        <button class="child">...</button>
        <button class="child">...</button>
    </div>
    <div class="row">
        <button class="parent">...</button>
    </div>
</div>

const inputs = document.querySelectorAll('form input');
// или
const inputs = document.forms[0].elements;
// или
const inputs = document.querySelector('form').getElementsByTagName('input');

const getName = el => el.name;
// или
const getName = el => el.getAttribute('name');
// или
const getName = el => el.attributes.name.value;

const names = Array.from(inputs, getName);

// или

const names = [].map.call(inputs, getName);

// или

const names = [];
for (const n of inputs) {
  names.push(getName(n));
}

// или

const names = [];
for (let i = 0; i < inputs.length; i++) {
  names[i] = getName(inputs[i]);
}

$(document).ready(function() {
  var arr = [];
  $("form input").each(function() {
    arr.push($(this).attr("name"));
  });
  console.log(arr);
});

$tempInto = implode(',', array_keys($_POST));
$tempValues = implode(',', array_map(function ($n) {
    return "'$n'";
}, array_values($_POST)));
mysql_query("INSERT INTO $table (".$tempInto.") VALUES (".$tempValues.")");

var ajaxEdit = function() {
    var form_data = new FormData();
    form_data.append('file', $('input[name=picture]').prop('files')[0]);
    form_data.append('id', $('input[name=id]').val());
    form_data.append('name', $('input[name=name]').val());
    $.ajax({
        url: 'functions.php',
        type: 'POST',
        dataType: 'html',
        data: form_data
    })
    .done(function() {
        ajaxShow(section);
    })
    .fail(function() {
        console.log("error");
    });
}

$('.btn-add').each(function() {
  console.log($(this).closest('section').attr('class'));
  console.log($(this).parent().parent().attr('class'));
});

var selectCategory = function(gender){

  $("#"+gender).click(function(event) {
    $('section').removeClass('show');
    $("."+gender).addClass('show');
  });

}

var loadCategory = function(options){

  $("."+options.gender+" #"+slug).click(function(event) {
    $.ajax({
            url: 'output.php',
            data: { gender: gender, category: options.slug},
        })
        .done(function(data) {
          $('section').removeClass('show');
          $(".items-list").addClass('show');
            $(".items-list .title").text(options.title);
            $(".items-list .items").text(data);
        })
        .fail(function() {
            console.log("error");
        });
  });

}

selectCategory('male');
selectCategory('female');

loadCategory({slug: 'footwear', gender: 'male', title: 'Male footwear'});
loadCategory({slug: 'sneakers', gender: 'male', title: 'Male sneakers'});
loadCategory({slug: 'clothes', gender: 'male', title: 'Male clothes'});
loadCategory({slug: 'footwear', gender: female', title: 'Male footwear'});
loadCategory({slug: 'sneakers', gender: 'female', title: 'Male sneakers'});
loadCategory({slug: 'clothes', gender: 'female', title: 'Male clothes'});

function filter($twig,$filterName,$filter){
  $items = mysql_query("SELECT * FROM `items` WHERE {$filterName} = '{$filter}'");
  $list = []; // создаем пустой
  while ($row = mysql_fetch_array($items)){
    $list[] = $row;
  };
  if (!empty($list)) {
     echo $twig->render('list.html', ['items' => $list]);
  } else {
    echo "ААААа-а-а-а-а!!!!!11   Все пропало!";
  }
}

function Parse($p1, $p2, $p3) {
    $num1 = strpos($p1, $p2);
    if ($num1 === false) return 0;
    $num2 = substr($p1, $num1);
    return strip_tags(substr($num2, 0, strpos($num2, $p3)));
}
 
$String = file_get_contents('https://site.com');
echo Parse($String, '<span itemprop="lol">', '</span>');