WebUI: prefer prefix increment operator

Adhere to coding style.

PR #23076.

src/webui/www/private/rename_files.html

@@ -263,7 +263,7 @@
 
                 // Adjust file enumeration count by 1 when replacing single files to prevent naming conflicts
                 if (!fileRenamer.replaceAll) {
-                    fileRenamer.fileEnumerationStart++;
+                    ++fileRenamer.fileEnumerationStart;
                     document.getElementById("file_counter").value = fileRenamer.fileEnumerationStart;
                 }
                 setupTable(selectedRows);

src/webui/www/private/scripts/monkeypatch.js

@@ -82,7 +82,7 @@ window.qBittorrent.MonkeyPatch ??= (() => {
             else if (MUI.files[source] === "loading") {
                 let tries = 0;
                 const checker = (function() {
-                    tries++;
+                    ++tries;
                     if ((MUI.files[source] === "loading") && (tries < "100"))
                         return;
                     $clear(checker);

src/webui/www/private/scripts/rename-files.js

@@ -89,7 +89,7 @@ window.qBittorrent.MultiRename ??= (() => {
                         // Don't replace escape chars when they don't precede the current search being performed
                         if (input.substring(i + escape.length, i + escape.length + search.length) !== search) {
                             result += input[i];
-                            i++;
+                            ++i;
                             continue;
                         }
                         // Replace escape chars when they precede the current search being performed, unless explicitly told not to
@@ -110,7 +110,7 @@ window.qBittorrent.MultiRename ??= (() => {
                     }
                     else {
                         result += input[i];
-                        i++;
+                        ++i;
                     }
                 }
                 return result;

src/webui/www/private/views/preferences.html

@@ -2205,7 +2205,7 @@ Use ';' to split multiple entries. Can use wildcard '*'.)QBT_TR[CONTEXT=OptionsD
 
         const updateWebuiLocaleSelect = (selected) => {
             const languages = [];
-            for (let i = 0; i < document.getElementById("locale_select").options.length; i++)
+            for (let i = 0; i < document.getElementById("locale_select").options.length; ++i)
                 languages.push(document.getElementById("locale_select").options[i].value);
 
             if (!languages.includes(selected)) {

src/webui/www/private/views/rss.html

@@ -384,7 +384,6 @@
 
         const showRssFeed = (path) => {
             rssArticleTable.clear();
-            let rowCount = 0;
 
             const childFeeds = new Set();
             for (const row of rssFeedTable.getRowValues()) {
@@ -406,10 +405,11 @@
             if (path === "")
                 visibleArticles = visibleArticles.filter((a) => !a.isRead);
 
+            let rowID = -1;
             visibleArticles.sort((e1, e2) => new Date(e2.date) - new Date(e1.date))
                 .each((torrentEntry) => {
                     rssArticleTable.updateRowData({
-                        rowId: rowCount++,
+                        rowId: ++rowID,
                         name: torrentEntry.title,
                         link: torrentEntry.link,
                         torrentURL: torrentEntry.torrentURL,

src/webui/www/private/views/rssDownloader.html

@@ -494,12 +494,12 @@ Supports the formats: S01E01, 1x1, 2017.12.31 and 31.12.2017 (Date formats also
                     const responseJSON = await response.json();
 
                     rssDownloaderRulesTable.clear();
-                    let rowCount = 0;
+                    let rowID = -1;
                     for (const rule in responseJSON) {
                         if (!Object.hasOwn(responseJSON, rule))
                             continue;
                         rssDownloaderRulesTable.updateRowData({
-                            rowId: rowCount++,
+                            rowId: ++rowID,
                             checked: responseJSON[rule].enabled,
                             name: rule
                         });
@@ -677,18 +677,18 @@ Supports the formats: S01E01, 1x1, 2017.12.31 and 31.12.2017 (Date formats also
                     const responseJSON = await response.json();
 
                     rssDownloaderArticlesTable.clear();
-                    let rowCount = 0;
+                    let rowID = -1;
                     for (const feed in responseJSON) {
                         if (!Object.hasOwn(responseJSON, feed))
                             continue;
                         rssDownloaderArticlesTable.updateRowData({
-                            rowId: rowCount++,
+                            rowId: ++rowID,
                             name: feed,
                             isFeed: true
                         });
                         responseJSON[feed].each((article) => {
                             rssDownloaderArticlesTable.updateRowData({
-                                rowId: rowCount++,
+                                rowId: ++rowID,
                                 name: article,
                                 isFeed: false
                             });
@@ -788,10 +788,10 @@ Supports the formats: S01E01, 1x1, 2017.12.31 and 31.12.2017 (Date formats also
                 setElementTitles();
 
                 rssDownloaderFeedSelectionTable.clear();
-                let rowCount = 0;
+                let rowID = -1;
                 feedList.forEach((feed) => {
                     rssDownloaderFeedSelectionTable.updateRowData({
-                        rowId: rowCount++,
+                        rowId: ++rowID,
                         checked: rulesList[ruleName].affectedFeeds.contains(feed.url),
                         name: feed.name,
                         url: feed.url