@@ -4,6 +4,7 @@ const type    = "image/jpeg";

 const quality = 0.95;

 const width   = 1920;

 const height  = 1440;

+const timeout = 250;

 const camera  = document.getElementById("camera");

 const message = document.createElement("div");

@@ -12,6 +13,7 @@ const canvas  = document.createElement("canvas")

 const ctx     = canvas.getContext("2d");

 let facingMode = "environment";

+let timer      = null;

 async function getVideo() {

     try {

@@ -43,8 +45,26 @@ async function post()

     }

 }

-message.innerHTML = "Press video to post.";

-video.addEventListener("click", post);

+function flip() {

+    facingMode = facingMode == "environment" ? "user" : "environment";

+    getVideo();

+}

+

+function timerSelector(first, second, initiate) {

+    return () => {

+        if (timer == null) {

+            if (initiate)

+                timer = setTimeout(() => { timer = null; first(); }, timeout);

+        } else {

+            clearTimeout(timer);

+            timer = null;

+            second();

+        }

+    }

+}

+

+message.innerHTML = "Press video to post, double press to flip.";

+video.addEventListener("click", timerSelector(post, flip, true));

 camera.appendChild(message);

 camera.appendChild(video);

 getVideo();