text: /* eslint-disable no-undef */
  const emailInput = document.getElementById("email");
  
  emailInput.addEventListener("keypress", () => checkEmail());
  emailInput.addEventListener("blur", () => checkEmail());
  
  function checkEmail() {
    setTimeout(function () {
      let maskedName = maskEmail(emailInput.value);
      if (maskedName != emailInput.value) {
        emailInput.value = maskedName;
      }
    }, 1);
  }
  
  function maskEmail(char) {
    return char.toLowerCase();
  }
  