app.salesloft.com Unsubscribe

index.js

var params = location.search
  .substr(1)
  .split("&")
  .reduce(function(params, param) {
      params[param.split('=')[0]] = decodeURIComponent(param.split('=')[1])
      return params
    }, {})

document.getElementById('email').textContent = params['email']

document.getElementById('form').addEventListener('submit', function(event) {
  event.preventDefault()

  var request = new XMLHttpRequest()
  request.open('POST', params['confirm_opt_out_path'], true)
  request.onload = function() {
    document.getElementById('start').classList.add('hidden')
    document.getElementById('done').classList.remove('hidden')
  }
  request.send()
})