(async function() {
    const items = [];
    for(const item of document.getElementsByClassName("selectable")) {
        items.push(item.attributes['data-steamid'].textContent)
    }
    var a = document.createElement("a");
    a.href = "data:application/json," + JSON.stringify(items);
    a.download = "banned_users.json";
    a.click();
})();