<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script>var jQ = $.noConflict(true);
// version 1
jQ(document).ready(function () {
jQ("input[name='same_address[]']").on('click',
function() {
if (jQ("input[name='same_address[]']")) {
jQ("input[name='address_two']").val(jQ("input[name='address_one']").val());
jQ("input[name='city_two']").val(jQ("input[name='city_one']").val());
jQ("input[name='state_two']").val(jQ("input[name='state_one']").val());
jQ("input[name='zip_two']").val(jQ("input[name='zip_one']").val());
}else{
jQ("input[name='address_two']").val("");
jQ("input[name='city_two']").val("");
jQ("input[name='state_two']").val("");
jQ("input[name='zip_two']").val("");
}
});
});</script>