foo.js

var db = new PouchDB('mydb');
db.post({}).then(function (result) { // post a new doc
  return db.get(result.id);          // fetch the doc
}).then(function (doc) {
  console.log(doc);                  // log the doc
}).catch(function (err) {
  console.log(err);                  // log any errors
});



let db = new PouchDB('mydb');
try {
  let result = await db.post({});
  let doc = await db.get(result.id);
  console.log(doc);
} catch (err) {
  console.log(err);
}

webbisauna.cljs

(.setTimeout
  (fn [_] (js/console.log "Hello World"))
  1000)

(def beers (atom 0))

(defn beer-counter [{:keys [name]}]
  [:div
   [:h1 "Hello, " name]
   [:p "You have drank " @beers " beers"]
   [:button
    {:on-click #(swap! beers inc)}
    "Drink a beer"]])

(defn beer-counter [{:keys [name]}]
  (let [beers (r/atom 0)]
    (fn [{:keys [name]}]
      [:div
       [:h1 "Hello, " name]
       [:p "You have drank " @beers " beers"]
       [:button
        {:on-click #(swap! beers inc)}
        "Drink a beer"]])))


;; HelsinkiJS

(def a {:a-map "This is a map"})
(def b (assoc a :new-key "Value"))

(let [c ["a" "vector" "is" "like" "an" "array"]
      d (map clojure.string/upper-case c))]
  d) ;; => ("A" "VECTOR" ...)
;; Map is lazy and the result is only realized when needed

(reduce + 0 [1 2 3]) ;; => 6




(go
  (let [response (<! (http/get "/url"))]
    (if (http/success? response)
      (do-something response)
      (js/console.error response))))