JSFiddle - React, Tailwind, and code Playground

HTML

<form>
    <div class="field-item">
        <input type="checkbox" name="vehicle" id="vehicle-bike" value="Bike" />
        <label for="vehicle-bike">Bee</label>
    </div>
    <div class="field-item">
        <input type="checkbox" name="vehicle" id="vehicle-car" value="Car" />
        <label for="vehicle-car">Apple</label>
    </div>
</form>

JavaScript

var $els = $('.field-item');

var $sorted = $($els.toArray().sort(function(a, b) {
    return $(a).find('label').text() > $(b).find('label').text()
}));

$els.each(function(i) {
    $(this).after($sorted.eq(i));
});