JSFiddle - React, Tailwind, and code Playground

HTML

<form action="#">Billing Address same as Shipping Address:
    <input type="checkbox" name="billingAddress" id="billingAddress" />
    <br />
    <br />Street Address:
    <input class="baddr" type="text" name="street" id="street" />
    <br />
    <br />City:
    <input class="baddr" type="text" name="city" id="city" />
</form>

JavaScript

$(document).ready(function () {
    $("#billingAddress").click(function () {
        if ($(this).prop("checked")) {
            alert("Id billingAddress is checked!");
            $(".baddr").val("").prop('disabled', 'disabled');;
        } else if ($(this).prop("checked") == undefined) {
            $(".baddr").removeAttr("disabled");
        }
    });
});