Code readability improvements

display/overlays/neighbors.js

@@ -105,14 +105,14 @@ class NodeNeighborOverlay {
     toggleTabVisibility(cls) {
         this.tabNavHandles[cls].classList.toggle("bottom-container-nav-tab");
         this.tabNavHandles[cls].classList.toggle("hidden-tab");
-        this.tabContentPages[cls].classList.toggle(
-            "bottom-container-tab-content"
-        );
-        this.tabContentPages[cls].classList.toggle("hidden-tab");
+
+        const tcc = this.tabContentPages[cls].classList;
+        tcc.toggle("bottom-container-tab-content");
+        tcc.toggle("hidden-tab");
 
         // If the tab gets hidden and is the active tab, search for an alternative nav tab to become the new active tab.
-        if (this.tabContentPages[cls].classList.contains("hidden-tab")) {
-            if (this.tabNavHandles[cls].classList.contains("active-tab-nav")) {
+        if (tcc.contains("hidden-tab")) {
+            if (tcc.contains("active-tab-nav")) {
                 for (const tab of Object.values(this.tabNavHandles)) {
                     if (!tab.classList.contains("hidden-tab")) {
                         this.openTab(tab.type);