From 66a927920aeecececfcf6939b5f4a43ed7079949 Mon Sep 17 00:00:00 2001
From: Ben Harris <bjh21@bjh21.me.uk>
Date: Fri, 2 Dec 2022 02:10:19 +0000
Subject: [PATCH] js: Remove a JavaScript construct that confused emcc -O3

---
 emccpre.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/emccpre.js b/emccpre.js
index 8e36369..aebb9cf 100644
--- a/emccpre.js
+++ b/emccpre.js
@@ -678,8 +678,9 @@ function initPuzzle() {
         //   { "LOOPY_DEFAULT": "20x10t11dh" }
         // </script>
         var envscript = document.getElementById("environment");
+        var k, v;
         if (envscript !== null)
-            for (var [k, v] of
+            for ([k, v] of
                  Object.entries(JSON.parse(envscript.textContent)))
                 ENV[k] = v;
     };