gistfile1.js

$(function() {
  $('.signupform form').submit(function(e) {
    e.preventDefault(); //don't submit
  
    var teamName = $('.signupform form input[name="teamname"]').val();
    var email = $('.signupform form input[name="email"]').val();
    console.log("SUBMIT FORM", teamName, email);

    // open modal here and $('selector').val(teamName) the form elements
  });
});