Limit the scope of getting class names for index titles

Change-Id: I2d586605118032aaf38ff70d420bc7c2bf4979ae
Reviewed-on: https://gerrit.libreoffice.org/71529
Tested-by: Jenkins
Reviewed-by: Olivier Hallot <olivier.hallot@libreoffice.org>

1 files changed, 7 insertions, 6 deletions

diff --git a/help3xsl/help.js b/help3xsl/help.js
index 59dd378c73..2767b157f8 100644
--- a/help3xsl/help.js
+++ b/help3xsl/help.js
@@ -22,7 +22,8 @@ if(url.indexOf('explorer/database/') !== -1) {
 var results = null;
 var fullLinkified = '';
 var modules = ['CALC', 'WRITER', 'IMPRESS', 'DRAW', 'BASE', 'MATH', 'CHART', 'BASIC', 'SHARED'];
-var indexkids = function() { document.getElementsByClassName("index")[0].children; };
+var index = document.getElementsByClassName("index")[0];
+var indexkids = index.children;
 // if user is not on a shared category page, limit the index to the current module + shared
 if(currentModule !== 'HARED') {
     bookmarks = bookmarks.filter(function(obj) {
@@ -33,9 +34,9 @@ bookmarks.forEach(function(obj) {
             fullLinkified += '<a href="' + obj['url'] + '" class="' + obj['app'] + '">' + obj['text'] + '</a>';
         });
 function fullList() {
-    document.getElementsByClassName("index")[0].innerHTML = fullLinkified;
+    index.innerHTML = fullLinkified;
     addIds();
-    Paginator(document.getElementsByClassName("index")[0]);
+    Paginator(index);
 }
 // add id to the first items of each category in the index. CSS ::before rule adds the heading text
 function addIds() {
@@ -43,7 +44,7 @@ function addIds() {
         indexkids[i].removeAttribute("id");
     }
     modules.forEach(function(module) {
-        var moduleHeader = document.getElementsByClassName(module)[0];
+        var moduleHeader = index.getElementsByClassName(module)[0];
         if (typeof moduleHeader !== 'undefined') {
             // let's wrap the header in a span, so the ::before element will not become a link
             moduleHeader.outerHTML = '<span id="' + module + '" class="' + module + '">' + moduleHeader.outerHTML + '</span>';
@@ -65,9 +66,9 @@ var filter = function() {
     results.forEach(function(result) {
         filtered += '<a href="' + result.obj['url'] + '" class="' + result.obj['app'] + '">' + fuzzysort.highlight(result) + '</a>';
     });
-    document.getElementsByClassName("index")[0].innerHTML = filtered;
+    index.innerHTML = filtered;
     addIds();
-    Paginator(document.getElementsByClassName("index")[0]);
+    Paginator(index);
 };
 function debounce(fn, wait) {
     var timeout;