From 72f38933c2af830d6d6ad4dae3735cdb4ddecae6 Mon Sep 17 00:00:00 2001
From: ben2613 <sosgyuki@gmail.com>
Date: Thu, 28 Jul 2022 00:45:31 +0100
Subject: [PATCH] Fix mobile browser hang issue when auto-reload by reducing
 DOM modification in forloop

---
 js/auto-reload.js | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/js/auto-reload.js b/js/auto-reload.js
index d015dfc1..0a38f9b2 100644
--- a/js/auto-reload.js
+++ b/js/auto-reload.js
@@ -144,19 +144,26 @@ $(document).ready(function(){
 			url: document.location,
 			success: function(data) {
 				var loaded_posts = 0;	// the number of new posts loaded in this update
+				var elementsToAppend = [];
+				var elementsToTriggerNewpostEvent = [];
 				$(data).find('div.post.reply').each(function() {
 					var id = $(this).attr('id');
 					if($('#' + id).length == 0) {
 						if (!new_posts) {
 							first_new_post = this;
 						}
-						$(this).insertAfter($('div.post:last').next()).after('<br class="clear">');
 						new_posts++;
 						loaded_posts++;
-						$(document).trigger('new_post', this);
-						recheck_activated();
+						elementsToAppend.push($(this));
+						elementsToAppend.push($('<br class="clear">'));
+						elementsToTriggerNewpostEvent.push(this);
 					}
 				});
+				$('div.post:last').next().after(elementsToAppend);
+				recheck_activated();
+				elementsToTriggerNewpostEvent.forEach(function(ele){
+					$(document).trigger('new_post', ele);
+				});
 				time_loaded = Date.now(); // interop with watch.js