Frontend developer

let itemsStr = "";
list.forEach(function(text, indx) {
      if( text.textContent.toUpperCase().includes(query) ) {
      itemsStr += '<li>'+text.textContent+'</li>';
   }
});
$('#result').append(itemsStr);

const deleteItems = (ids) => {
  arr = arr.filter(item => !ids.some(id => id === item.id));
}