JSFiddle - React, Tailwind, and code Playground

HTML

<body>
    <table id="checkboxtable">
        <tr>
            <td>
                <input onClick="javascript:allClicked()" type="checkbox" />Select All</td>
            <td>
                <input id="AP_A1K" checked="checked" type="checkbox" />
            </td>
            <td>
                <input id="AP_A2K" checked="checked" type="checkbox" />
            </td>
            <td>
                <input id="AP_A3K" type="checkbox" />
            </td>
        </tr>
    </table>
</body>

JavaScript

function allClicked() {
    var checkBoxTable = document.getElementById("checkboxtable");
    var checkBoxes = checkBoxTable.getElementsByTagName("input");
    for (var i = 0; i < checkBoxes.length; ++i) {
        // if (/^AP_.*/.test(checkBoxes[i].id)) // getting them by regular expression
        if (checkBoxes[i].getAttribute("type") == "checkbox") // getting them by type
            checkBoxes[i].checked = true;
    }
}