var tbody = document.querySelector('.table tbody')
var row = tbody.querySelector('tr').cloneNode(true)
document.querySelector('.add-tr').addEventListener('click', function(){
tbody.appendChild(row.cloneNode(true))
})select user_id, thing_id, count(*) as cnt
from tbl
where user_id in (1, 2)
group by thing_idhaving cnt = 2
p {
clear: both; /* magic! */
}
img {
float: left;
margin: .5em;
}li:hover::after {
/* здесь стили полосочки */
}var history = []
$("input[class='test']").on('input', function(){
history.push(this.value)
});
localStorage.setItem('myCat', 'Tom'); // сохранение
var cat = localStorage.getItem('myCat') || 'default'; // получение