silicon.naityam.com

document.addEventListener("DOMContentLoaded", function () { const phone = document.querySelector('input[type="tel"], input[name*="phone"]'); if (phone) { phone.setAttribute("maxlength", "10"); phone.addEventListener("input", function () { this.value = this.value.replace(/\D/g, ""); }); phone.form.addEventListener("submit", function (e) { if (phone.value.length !== 10) { e.preventDefault(); alert("Please enter a valid 10-digit mobile number."); phone.focus(); } }); } });