function trololo(param) {
console.log(variable);
var variable = 5;
console.log(variable);
}
trololo(10);
function trololo(param) {
var variable; // undefined
console.log(variable);
variable = 5;
console.log(variable);
}
trololo(10);
$('input').on('input', function() {
$('div').toggleClass('error', !/^[A-Za-z]$/.test(this.value));
});
Number.MAX_SAFE_INTEGER
9007199254740991
let search = 'Уфа',
commands = document.querySelectorAll('.table-item__name'),
command = [...commands].find(x => x.textContent === search),
row = command.closest('tr'),
cells = row.querySelectorAll('td'),
result = cells[3].textContent
var search = 'Уфа',
result = Array.from(document.querySelectorAll('.table-item__name'))
.find(x => x.textContent === search)
.closest('tr')
.querySelectorAll('td')[3].textContent