Stalker_RED

inputElem.oninput = function(){ if (this.value === 'foobar') contentWrapper.classList.remove('hidden') }

const calc = document.querySelector('.calc');
calc.addEventListener('click', calcClickHandler);

function calcClickHandler(event) {
  const button = event.target.closest('button');
  if (button) {
    console.log('Click!', button);
  }
}

select u.name, u.phone, sum(o.summa) total, avg(o.summa) average, max(o.created) last_date
from orders o, `users` u
where u.id=o.user_id
group by u.id
having total > 0

const pivot = a=>a.reduce((c,e,i)=>(e.forEach((n,j)=>c[j][i]=n),c),a[0].map(z=>[]));

document.addEventListener('click', function myClickHandler(evt) {
  const menuItem = evt.target.closest('.menu-item-text');
  if (menuItem) {
    const b = menuItem.href.hash.replace('#', '');
    console.log(b);
  }
});