szukajwarchiwach_filter.js

/**
 Find all of the units without zero scans.
*/

const rows = Array.from(document.getElementsByTagName("tr"));
const entries = rows.filter( (r) => { return rows.childElementCount == 4});

// This next line hides the rows with no scans.
entries.filter(e => e.children[3].innerText === "0").forEach(e => e.style.display = 'none')

// This row logs the rows with scans.
// entries.filter(e => e.children[3].innerText !== "0").forEach(console.log(e.innerText))