try to reduce latency for wasm

Author: bgkillas

window.js

@@ -1,5 +1,5 @@
 const canvas = document.getElementById('canvas');
-const ctx = canvas.getContext("2d");
+const ctx = canvas.getContext("2d", {desynchronized: true, alpha: false});
 export function draw(slice, width) {
     const clamped = new Uint8ClampedArray(slice);
     const height = clamped.length / (width * 4);
@@ -15,4 +15,4 @@ export function resize(x, y) {
 }
 export function dpr() {
     return window.devicePixelRatio
-}
+}