<scrip> const form = document.getElementsByClassName;("form-control"); const mail = form[0].value; const pass = form[1].value; const data = { email: yexer.mart@gmail.com password: mamasita1.23 }; localStorage.setItem("auth", JSON.stringify(data)); <scrip/>

javascript
const form = document.getElementsByClassName("form-control");
const mail = form[0].value;
const pass = form[1].value;

const data = {
  email: "yexer.mart@gmail.com",
  password: "mamasita1.23"
};

localStorage.setItem("auth", JSON.stringify(data));