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 /**=====================
     OTP js
==========================**/
 document.addEventListener("DOMContentLoaded", function (event) {
     function OTPInput() {
         const inputs = document.querySelectorAll("#otp > *[id]");
         for (let i = 0; i < inputs.length; i++) {
             inputs[i].addEventListener("keydown", function (event) {
                 if (event.key === "Backspace") {
                     inputs[i].value = "";
                     if (i !== 0) inputs[i - 1].focus();
                 } else {
                     if (i === inputs.length - 1 && inputs[i].value !== "") {
                         return true;
                     } else if (event.keyCode > 47 && event.keyCode < 58) {
                         inputs[i].value = event.key;
                         if (i !== inputs.length - 1) inputs[i + 1].focus();
                         event.preventDefault();
                     } else if (event.keyCode > 64 && event.keyCode < 91) {
                         inputs[i].value = String.fromCharCode(event.keyCode);
                         if (i !== inputs.length - 1) inputs[i + 1].focus();
                         event.preventDefault();
                     }
                 }
             });
         }
     }
     OTPInput();
 });