select all check box

Hi, How can I choose all checkboxes by selecting the head checkbox button, in my code? I want this part to remove some items in Laravel. my code is : plz help me.

....

      <div class="indexnewpro">
    <table class="table table-striped table-bordered">
        <thead>
            <tr >
                <th class="th_pr">#</th>
                <th class="th_pr">1</th>
                <th class="th_pr">2</th>
                <th class="th_pr">3</th>
            </tr>
        </thead>
        @foreach($product as $key=>$value)      
            <tr>
                <td><input type="checkbox" name="delid[]" value="" class="checkboxs"></td>
                <td class="td_pr"></td>
                <td class="td_pr" style="    text-align: center;"></td>
                <td class="td_pr" style="    text-align: center;"></td>
            </tr>
        @endforeach
        <input class="btn-primary" id="checkall" type="checkbox">select all
        <button type="submit" class="btn-warning">remove selected</button>
    </table>
</div>

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