Setup Django's CSRF for AJAX

AJAX_CSRF.js

function get_cookie(name) {
  var cookieValue = null

  if (document.cookie && document.cookie != '') {
    var cookies = document.cookie.split(';')

    for (var i = 0; i < cookies.length; i++) {
      var cookie = jQuery.trim(cookies[i])     
      if (cookie.substring(0, name.length + 1) == (name + '=')) {
          cookieValue = decodeURIComponent(cookie.substring(name.length + 1))
          break
      }
      
    }
  }
  return cookieValue
}

$.ajaxSetup({beforeSend: function(xhr, settings){
  xhr.setRequestHeader('X-CSRFToken', get_cookie('csrftoken'))
}})