From 8cd3a480a7388877628ce8b9b8e50cd5df48bb81 Mon Sep 17 00:00:00 2001
From: Mark Croxton <mcroxton@hallmark-design.co.uk>
Date: Tue, 28 Mar 2023 20:28:39 +0100
Subject: [PATCH] Nullify unreachable references to dom nodes inside
 setTimeout(), to allow garbage collection. (#1330)

---
 src/htmx.js | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/src/htmx.js b/src/htmx.js
index 05c9a8d9c..0d599e75a 100644
--- a/src/htmx.js
+++ b/src/htmx.js
@@ -471,7 +471,10 @@ return (function () {
         function removeElement(elt, delay) {
             elt = resolveTarget(elt);
             if (delay) {
-                setTimeout(function(){removeElement(elt);}, delay)
+                setTimeout(function(){
+                    removeElement(elt);
+                    elt = null;
+                }, delay);
             } else {
                 elt.parentElement.removeChild(elt);
             }
@@ -480,7 +483,10 @@ return (function () {
         function addClassToElement(elt, clazz, delay) {
             elt = resolveTarget(elt);
             if (delay) {
-                setTimeout(function(){addClassToElement(elt, clazz);}, delay)
+                setTimeout(function(){
+                    addClassToElement(elt, clazz);
+                    elt = null;
+                }, delay);
             } else {
                 elt.classList && elt.classList.add(clazz);
             }
@@ -489,7 +495,10 @@ return (function () {
         function removeClassFromElement(elt, clazz, delay) {
             elt = resolveTarget(elt);
             if (delay) {
-                setTimeout(function(){removeClassFromElement(elt, clazz);}, delay)
+                setTimeout(function(){
+                    removeClassFromElement(elt, clazz);
+                    elt = null;
+                }, delay);
             } else {
                 if (elt.classList) {
                     elt.classList.remove(clazz);
@@ -3410,6 +3419,7 @@ return (function () {
             };
             setTimeout(function () {
                 triggerEvent(body, 'htmx:load', {}); // give ready handlers a chance to load up before firing this event
+                body = null; // kill reference for gc
             }, 0);
         })