## 1

let e = document.querySelector('#sstable > tbody > tr:nth-child(1)')

let event = new MouseEvent('mouseover', {
  'view': window,
  'bubbles': true,
  'cancelable': true
});

e.dispatchEvent(event);

## 2

let elements = document.querySelectorAll('#sstable > tbody > tr')
console.log(elements.length)

for (let e of elements) {
    let event = new MouseEvent('mouseover', {
      'view': window,
      'bubbles': true,
      'cancelable': true
    });
    e.dispatchEvent(event);
    let info = document.querySelector('tr.showinfo')
    console.log(e.textContent, '\n', info.textContent, '\n')
}


//     #sstable > tbody > tr:nth-child(19) > td:nth-child(2)