var result2 = document.evaluate('//input[@id="search"]', document, null, 7, null);
result2.snapshotItem(0).addEventListener('change', function () {
if (result2.snapshotItem(0).value == "acc") {
var sign = window.prompt("検索するチャンネル名を入力してください", "AbemaTV");
var reg = new RegExp(sign);
var result = document.evaluate('//ytd-video-renderer[.//yt-formatted-string[@id="byline"]]', document, null, 7, null);
var result4 = document.evaluate('//ytd-video-renderer//yt-formatted-string[@id="byline"]', document, null, 7, null);
for (var i = 0; i < result.snapshotLength; i++) {
if (reg.test(result4.snapshotItem(i).title)) {
result.snapshotItem(i).classList.add("kore");
}
}
var result3 = document.evaluate('//ytd-video-renderer[not(contains(@class,"kore"))]', document, null, 7, null);
for (var j = 0; j < result3.snapshotLength; j++) {
result3.snapshotItem(j).style.display = 'none';
}
} else if (result2.snapshotItem(0).value == "copy") {
var result5 = document.evaluate('//ytd-video-renderer[contains(@class,"kore")]//a[@id="video-title"]', document, null, 7, null);
var buf = "";
for (var k = 0; k < result5.snapshotLength; k++) {
buf = buf + " " + result5.snapshotItem(k).href;
}
var sign2 = window.prompt("url_list", buf);
}
});