Перевірка телефону
<script>
function phonenumber(phone) {
alert(phone.match(/\d/g).length===10);
}
</script>
<button onclick="phonenumber('044 364-45-14')">Send</button>
<script>
function phonenumber(phone) {
alert(phone.match(/\d/g).length===10);
}
</script>
<button onclick="phonenumber('044 364-45-14')">Send</button>