JSFiddle - React, Tailwind, and code Playground

HTML

<form>
    <input type="checkbox" name="" value="">one
    <input type="checkbox" name="" value="">two
</form>

        <a id="select_all" href="#">Выбрать все</a>

JavaScript

$(document).ready(function(){
    $("#select_all").click(function() {
        $('input[type="checkbox"]').each(function(){
            $(this).prop('checked', true);
        });
    });
});