scala-js-jquery-ajax.scala

val jsonStrToSend = ""
val serverUrl = ""

def handleAjaxError(jqXHR: JQueryXHR, textStatus: String, errorThrow: String): Unit = {
  println("Error while performing AJAX POST")
}

def handleAjaxSuccess(data: js.Any, textStatus: String, jqXHR: JQueryXHR): Unit = {
  val jsonFromServer = jqXHR.responseText
  println(s"Got from server: $jsonFromServer")
}

val ajaxSettings = js.Dynamic.literal(
  url = serverUrl,
  contentType = "application/json",
  data = """{"input": "hello"}""",
  `type` = "POST",
  success = handleAjaxSuccess _,
  error = handleAjaxError _).asInstanceOf[org.scalajs.jquery.JQueryAjaxSettings]

jQuery.ajax(ajaxSettings)