html 掩码格式电话号码

Posted 2021-05-11

<input class="" type="tel" id="phone" name="phone" maxlength="10" required>



<script>
  
    $("#phone").on('change', function() {
      var phone = $('#phone').val()
	    phone = phone.replace(/(\d{3})(\d{3})(\d{4})/, "($1)$2-$3");
	    document.getElementById('phone').value = phone;
    });
  
</script>