Please anyone help me, my code is working on windows but not on iphone, I want to submit data into google sheet

<script>
    const scriptURL = 'https://script.google.com/macros/s/AKfycbwYLtY44KjYHTNHIqwL4a9m2FhYUtsuTnMkgzYXmddOkqo3IzWqbXLLfRouamBaTQwWKw/exec'

    const form = document.forms['myform']

    form.addEventListener('submit', function (evt) {
        //   e.preventDefault()
        fetch(scriptURL, { method: 'POST', body: new FormData(form) })
            .then(function (response) {
                console.log(response);
                $("#myform").submit();
            })
            .catch(error => console.error('Error!', error.message))
    })
</script>