From 3706bfa59b5f5b19c92f9b0cfa7b4497dd43bef7 Mon Sep 17 00:00:00 2001
From: "Steinar H. Gunderson" <sgunderson@bigfoot.com>
Date: Thu, 29 Dec 2022 14:49:23 +0100
Subject: [PATCH] Slightly fewer DOM calls in print_pv().

---
 www/js/remoteglot.js | 23 +++++++++++++----------
 1 file changed, 13 insertions(+), 10 deletions(-)

diff --git a/www/js/remoteglot.js b/www/js/remoteglot.js
index de1bb16..42990ad 100644
--- a/www/js/remoteglot.js
+++ b/www/js/remoteglot.js
@@ -755,13 +755,9 @@ function print_pv(line_num, splicepos, opt_limit, opt_showlast) {
 		ret.appendChild(document.createTextNode(move_num + '. … '));
 	}
 	for (; i < pv.length; ++i) {
-		let link = document.createElement('a');
-		link.className = 'move';
-		link.setAttribute('id', 'automove' + line_num + '-' + i);
-		link.textContent = pv[i];
-		link.href = 'javascript:show_line(' + line_num + ', ' + i + ');';
+		let prefix = '';
 		if (splicepos === i) {
-			ret.appendChild(document.createTextNode('(TB: '));
+			prefix = '(TB: ';
 			in_tb = true;
 		}
 
@@ -771,18 +767,25 @@ function print_pv(line_num, splicepos, opt_limit, opt_showlast) {
 		} else if (toplay == 'W') {
 			if (i > opt_limit && !opt_showlast) {
 				if (in_tb) {
-					ret.appendChild(document.createTextNode(')'));
+					prefix += ')';
 				}
-				ret.appendChild(document.createTextNode(' (…)'));
+				ret.appendChild(document.createTextNode(prefix + ' (…)'));
 				return ret;
 			}
-			ret.appendChild(document.createTextNode(' ' + move_num + '. '));
+			prefix += ' ' + move_num + '. ';
 			++move_num;
 			toplay = 'B';
 		} else {
-			ret.appendChild(document.createTextNode(' '));
+			prefix += ' ';
 			toplay = 'W';
 		}
+		ret.appendChild(document.createTextNode(prefix));
+
+		let link = document.createElement('a');
+		link.className = 'move';
+		link.setAttribute('id', 'automove' + line_num + '-' + i);
+		link.textContent = pv[i];
+		link.href = 'javascript:show_line(' + line_num + ', ' + i + ');';
 		ret.appendChild(link);
 	}
 	if (in_tb) {
-- 
2.39.2