Using DELETE HTTP method in ClojureScript

;; Clojure hiccup file

[:button {:class "btn btn-success" :onClick (str "zentaur.core.deletetest("id")")} "Löschen"]

;; file: src/cljs/zentaur/core.cljs
(ns zentaur.core
  (:require [ajax.core :refer [GET POST DELETE]]))
  
(defn delete-test [test-id]
  (let [csrf-field (.-value (gdom/getElement "__anti-forgery-token"))]
    (DELETE "/admin/tests/deletetest"
        {:params  {:test-id test-id}
         :headers {"x-csrf-token" csrf-field}
         :handler (fn [] (set! js/window.location.href "/admin/tests"))
         :error-handler error-handler})))

(defn ^:export deletetest [test-id]
  (when (js/confirm "Delete test?")
    (delete-test test-id)))