@Blog{zip358.com}

document.getElementsByName("txt")[0].addEventListener("keydown", (elm) => {
    if (elm.key === "Enter") {
        chrome.tabs.query({ 'active': true,'lastFocusedWindow': true }, function (tabs) {
            var site = String(tabs[0].url).match(/https?\:\/\/[a-zA-Z0-9|\.|\-]*\/?/)[0].replace(/https?:\/\//,"").replace(/\//,"");
            chrome.tabs.create({
                url:"https://www.google.com/search?q=site" + encodeURI(":"+ site + " " + document.getElementsByName("txt")[0].value)
            });
        });
    }
});

        const ctx = document.getElementById('myChart');
        let data = [12, 19, 3, 19, 2, 3];
        new Chart(ctx, {
            type: 'bar',
            data: {
                labels: ['demo1', 'demo2', 'demo3', 'demo4', 'demo5', 'demo6'],
                datasets: [{
                    label: '# of Votes',
                    data: data,
                    borderWidth: 1
                }]
            },
            options: {
                scales: {
                    x: {
                        beginAtZero: true
                    }
                }
            }
        });

fetch(next_url).then(
                response => response.text()
            ).then(data => {

                const parser = new DOMParser();
                const doc = parser.parseFromString(data, 'text/html');

let cnt = 2;
let blk = 0;
async function nextpage() {
    if (cnt !== blk) {
        blk = cnt;
        await (async () => {
            let next_url = "https://fox-black.com/blog/page/" + cnt;
            return await fetch(next_url).then(
                response => response.text()
            ).then(data => {
                const parser = new DOMParser();
                const doc = parser.parseFromString(data, 'text/html');
                let blogs = doc.querySelectorAll('.blogpage');
                cnt++;
                if (blogs[0].innerHTML !== undefined) {
                    document.querySelector(".foxpage").insertAdjacentHTML("beforeend", (function (elm) {
                        let str = "";
                        for (const key in elm) {
                            const element = elm[key];
                            if (element.innerHTML !== undefined) {
                                str += "<div class=\"blogpage\">" + element.innerHTML + "</div>";
                            }
                        }
                        return str;
                    })(blogs));
                } else {
                    if (document.querySelector("#fin") === null) {
                        document.querySelector(".foxpage").insertAdjacentHTML("beforeend", "<div id=\"fin\"></div>");
                    }
                }
            }).catch(error => {
                if (document.querySelector("#fin") === null) {
                    document.querySelector(".foxpage").insertAdjacentHTML("beforeend", "<div id=\"fin\"></div>");
                }
            });
        })();
    }
}

if (navigator.userAgent.match(/iPhone|Android.+Mobile/)) {
    window.addEventListener("scroll", async function () {
        let s = (() => {
            let tgt;
            if ('scrollingElement' in document) {
                tgt = document.scrollingElement;
            } else if (this.browser.isWebKit) {
                tgt = document.body;
            } else {
                tgt = document.documentElement;
            }
            return tgt;
        })();
        if (document.querySelector("#fin") === null && s.scrollTop >= (s.clientHeight - 650)) {
            await nextpage();
        }
    });
} else {
    document.querySelector(".foxpage").addEventListener("scroll", async function () {
        if (document.querySelector("#fin") === null && document.querySelector(".foxpage").scrollTop >= (document.querySelector(".foxpage").scrollHeight - 300)) {
            await nextpage();
        }
    });
}

<?php
ini_set("display_errors",0);
/**
 * @param array $holiday
 * @return string $str
 */
function fn_header($holiday = [])
{
    $str = "";
    $date = new DateTime();
    for ($i = 0; $i < 7; $i++) {
        !$i ? "" : $date->modify('+1 day');
        $w = $date->format("w");
        $tabindex = $i*7;
        $ho = (function ($days, $holiday = []) {
            return (array_search($days, $holiday) !== false) ? "holiday" : "";
        })($date->format("Y-m-d"), $holiday);
        $str .= "
        <th tabindex=$tabindex>
            <span class='header_no week_no_$w $ho'>" . $date->format("Y-m-d") . "</span>
        </th>";
    }
    return $str;
}
/**
 * @param int $h_min
 * @param int $h_max
 * @param int $m_interval
 * @param array $cnt
 * @param array $reserve
 * @param array $holiday
 * @return string $str
 */
function fn_time($h_min, $h_max, $m_interval,$cnt=[],$holiday = [], $reserve = [])
{
    $str= [];
    for ($h = $h_min; $h <= $h_max; $h++) {
        for ($m = 0; $m < 60; $m = $m + $m_interval) {
            print("<tr>\n");
            $date = new DateTime();
            for ($i = 0; $i < 7; $i++) {
                $cnt[$i]=!$cnt[$i]?(((($h_max - $h_min)+1)*(60/$m_interval))*($i))+7:(++$cnt[$i]);
                !$i ? "" : $date->modify('+1 day');
                $w = $date->format("w");
                $ho = (function ($days, $holiday = []) {
                    return (array_search($days, $holiday) !== false) ? "holiday" : "";
                })($date->format("Y-m-d"), $holiday);
                $time = sprintf("%02d:%02d",$h, $m);
                if ($ho) {
                    print("
                        <td class='' tabindex={$cnt[$i]}>
                            <span class='header_no week_no_$w $ho'>" . $time . "</span>
                        </td>");
                } else {
                    $r = (function ($days, $reserve = []) {
                        return (array_search($days, $reserve) !== false) ? "reserve" : "";
                    })($date->format("Y-m-d") . "_" . $time, $reserve);
                    if (!$r) {
                        print("
                            <td class='date_" . $date->format("Y-m-d") . "_{$time}' tabindex={$cnt[$i]} data-date='" . $date->format("Y-m-d") . "_{$time}'>
                                <a class='time_{$m}_" . $date->format("Y-m-d") . "_{$time}' data-sortno={$cnt[$i]}  href='#?data=" . $date->format("Y-m-d") . "_{$time}'><span class='header_no week_no_{$w} {$h}'>{$time}</span></a>
                            </td>");
                    } else {
                        print("
                            <td class='' tabindex={$cnt[$i]}>
                                <span class='header_no week_no_$w $r'>" . $time . "</span>
                            </td>");
                    }
                }
            }
            $date = null;
            print("</tr>\n");
        }
    }
    return "";
}
?>
<!DOCTYPE html>
<html lang="ja">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <meta name="Description" content="Enter your description here" />
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/5.1.0/css/bootstrap.min.css">
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.4/css/all.min.css">
    <title>予約-時刻表(デモ版)</title>
    <style>
        table,tr,td{
            user-select: none;
        }
    </style>
</head>
<body>
    <div class="container">
        <div class="row">
            <div class="col-12 text-center">
                <h1 class="display-1">予約-時刻表<br></h1>
                <h5>{予約：時刻をクリックするか、<br>
                    左クリック選択状態で複数選択可能です<br>
                    （日付またぎは禁止しています）}</h5>
                <h5>{ダブルクリックすると予約画面に遷移します。<br>
                    ※DEMO版ですので予約登録画面は御座いません}</h5>
            </div>
        </div>
    </div>
    <div class="container-fluid  text-center">
        <div class="row">
            <div class="col-12">
                <table class="shadow-lg table table-hover table-bordered">
                    <thead>
                        <tr>
                            <?= fn_header() ?>
                        </tr>
                    </thead>
                    <tbody>
                        <?=fn_time(10, 20, 10,[],["2022-09-18","2022-09-23"],["2022-09-19_10:40","2022-09-19_10:50"]) ?>
                    </tbody>
                </table>
            </div>
        </div>
    </div>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/2.9.2/umd/popper.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/5.1.0/js/bootstrap.min.js"></script>
    <script src="./assets/js/main.js?<?=time()?>"></script>
</body>
</html>

let date_obj = document.querySelectorAll("td");
let submit_url = "https://example.com";
let is_date_data = [];
let cnt = 0;

date_obj.forEach(function (elm, key) {
    elm.addEventListener("mouseout", select_in_value);
    elm.addEventListener("click", sp_select_in_value);
    elm.addEventListener("touchend", sp_select_in_value);
    elm.addEventListener("dblclick", select_out_value);
});
function check_value(o, e) {
    if (is_date_data.length === 0) {
        return true;
    }
    let d = o.getAttribute("data-date");
    return d ? ((d) => {
        let f = is_date_data.find(element => {
            let pattern = new RegExp(d.split("_")[0]);
            return !element.match(pattern);
        }) ? false : true;
        if (!f) {
            select_clear(o, e);
            is_date_data = [];
            cnt = 0;
        }
        return f;
    })(d) : false;
}
function select_in_value(e) {
    if (e.buttons === 1 && check_value(this, e)) {
        if (this.getAttribute("data-date")) {
            this.style.backgroundColor = "#555";
            this.children[0].style.color = "#fff";
            if (is_date_data.indexOf(this.getAttribute("data-date")) && is_date_data.indexOf(this.getAttribute("data-date"))) {
                is_date_data[cnt] = this.getAttribute("data-date");
                cnt++;
            }
        }
    }
}
function sp_select_in_value(e) {
    if (check_value(this, e)) {
        if (this.getAttribute("data-date")) {
            this.style.backgroundColor = "#555";
            this.children[0].style.color = "#fff";
            if (is_date_data.indexOf(this.getAttribute("data-date")) && is_date_data.indexOf(this.getAttribute("data-date"))) {
                is_date_data[cnt] = this.getAttribute("data-date");
                cnt++;
            }
        }
    }
}
function select_out_value(e) {
    if (is_date_data.length) {
        let is_data = is_date_data.map(function (elm, index) {
            return "date[" + index + "]=" + elm;
        });
        window.location.href = submit_url + "?" + is_data.join("&");
    }
}
function select_clear(o, e) {
    let is_ClassName = [];
    is_ClassName = is_date_data.map(function (d) {
        return "date_" + d;
    });
    is_ClassName.map(class_name => {
        document.getElementsByClassName(class_name)[0].style.backgroundColor = "#fff";
        document.getElementsByClassName(class_name)[0].children[0].style.color = "#0d6efd";
    })
}

<!DOCTYPE html>
<html lang="ja">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <button id="api">非同期通信</button>
    <script>
        document.getElementById("api").addEventListener("click", api);

        function api() {
            let data = [];
            data.push({"name":"樹龍"});
            console.log(param(data));
            fetch("./api.php", {
                method: "POST",
                headers: {
                    'Content-Type': 'application/x-www-form-urlencoded'
                },
                body:param(data)
            }).then(
                response => response.json()
            ).then(data => {
                console.log('data', data);
            }).catch(error => {
                console.log('error', error);
            });
        }
        function param(data){
            let str = [];
            for(key in data){
                for(keyname in data[key]){
                    str.push(keyname +"="+ encodeURIComponent(data[key][keyname]));
                }
            }
            return str.join("&");
        }
    </script>
</body>

</html>

<?php
$name = htmlspecialchars(strip_tags($_POST['name']));
$response['res'] = $name;
print json_encode($response);

document.getElementById("Q9_select").innerHTML = (function () {
    let str = "";
    for (var i = 0; i <= 9; i++) {
        str += !i ? "<option value=''> " + "選択してください" + "</option>\n" : "<option value=" + i + ">" + i + "の段</option>\n";
    }
    return str;
})();
document.getElementById("Q9_select").addEventListener("change", function (e) {
    let Q = this.value ? this.value : 0;
    let str = "";
    let view_flg = 1;
    for (var i = 1; i <= 9; i++) {
        let ans = Q * i;
        str += "<p class='h2'><span class='text-primary'>" + Q + "</span> × " + i + "= <span class='Q9_ans' style='visibility:visible'>" + ans + "</span></p>";
    }
    str += "<p class='text-center'><button class='h2 btn btn-primary' id='view'>九九の解を<span id='txt'>非表示に</span>する</button></p>";
    document.getElementById("Q9_view").innerHTML = str;
    document.getElementById("view").addEventListener("click", function () {
        let object = document.getElementsByClassName("Q9_ans");
        for (const key in object) {
            if (Object.hasOwnProperty.call(object, key)) {
                const element = object[key];
                element.style.visibility = view_flg ? "hidden" : "visible";
            }
        }
        view_flg = view_flg ? 0 : 1;
        document.getElementById("txt").innerText = view_flg ? "非表示に" : "表示";
    });
});

<?php
class testA{
    public $a = "";
    public function __construct($a)
    {
        $this->a = $a;
    }
    public function test1($a=""):string{
        return (string)$this->a." ".$a."<br>\n";
    }
    public function test2($a=""):string{
        return (string)$this->a." ".$a."<br>\n";
    }
}
class test{
    public function main($a="Hello"):object
    {
        $this->a = $a;
        return new testA($this->a);
    }
}
$test = new test();
print $test->main()->test1("PHP");
print $test->main("by")->test2("C");

<?php
    class test{
        function main(){
            return new class{
                function testA(){
                    return "testA";
                }
                function testB(){
                    return "testB";
                }
            };
        }
    }
    $test = new test();
    print $test->main()->testA();
    print $test->main()->testB();