Show / hide columns using CheckBoxes JQ

by Jason Doyle

HTML

<table id="tableId">
    <thead>
        <tr>
            <th>
                <input id="chk1" type="checkbox" />  Proj ID
            </th>
            <th>
                <input id="chk2" type="checkbox" /> Project Name
            </th>
            <th>
                <input id="chk3" type="checkbox" /> Disposition
            </th>
            <th>
                <input id="chk4" type="checkbox" /> PRISM Release
            </th>
            <th>
                <input id="chk5" type="checkbox" /> APP PM
            </th>
        </tr>
    </thead>
    <tbody>
        <tr>
            <td>
                234567
            </td>
            <td>
                col2
            </td>
            <td>
                col3
            </td>
            <td>
                col4
            </td>
            <td>
                col5
            </td>
        </tr>
        <tr>
            <td>
                234568
            </td>
            <td>
                col2
            </td>
            <td>
                col3
            </td>
            <td>
                col4
            </td>
            <td>
                col5
            </td>
        </tr>
        <tr>
            <td>
                234569
            </td>
            <td>
                col2
            </td>
            <td>
                col3
            </td>
            <td>
                col4
            </td>
            <td>
                col5
            </td>
        </tr>
        <tr>
            <td>
                234561
            </td>
            <td>
                col2
            </td>
            <td>
                col3
            </td>
            <td>
                col4
            </td>
            <td>
                col5
            </td>
        </tr>
        <tr>
            <td>
                234562
            </td>
            <td>
                col2
            </td>
            <td>
                col3
            </td>
   ...

CSS

th, td { border: 1px solid; padding: .2em .7em; }

JavaScript

$(function() {
    $("#tableId input[type=checkbox]").on("change", function(e) {
        var id = $(this).parent().index()+1,
            col = $("table tr th:nth-child("+id+"), table tr td:nth-child("+id+")");
        $(this).is(":checked") ? col.show() : col.hide();
    }).prop("checked", true).change();
    
    $("button").on("click", function(e) {
        $("input[type=checkbox]").prop("checked", true).change();
    });
})