Free Gmail Checker

script.js

var name = "brookesmith";
var number = 143;
var other = false;
var email = document.getElementById('GmailAddress');
email.focus();

// Clearing left side
document.getElementsByClassName('side-content')[0].innerHTML = "<p id='free-names'></p>";
var list = document.getElementById('free-names');

// Start the magic
window.setInterval(function(){
  email.focus();
  email.value = name + number;
  window.setTimeout(function(){
    email.blur();
  }, 100);
  window.setTimeout(function(){
    if(!email.classList.contains('form-error')){
      list.innerText += (name + number + "@gmail.com\n");
    }
  }, 200);
    number++;
}, 1000);