diff --git a/src/components/appRouter.js b/src/components/appRouter.js
index 138d58e5c..4fa2a9243 100644
--- a/src/components/appRouter.js
+++ b/src/components/appRouter.js
@@ -231,8 +231,7 @@ define(['loading', 'globalize', 'events', 'viewManager', 'skinManager', 'backdro
                 max /= 8;
                 max *= 1000000;
                 max *= 0.7;
-                max = parseInt(max);
-                return max;
+                return parseInt(max, 10);
             }
         }
         /* eslint-enable compat/compat */
diff --git a/src/components/cardbuilder/chaptercardbuilder.js b/src/components/cardbuilder/chaptercardbuilder.js
index 0215f8d8e..1521650ed 100644
--- a/src/components/cardbuilder/chaptercardbuilder.js
+++ b/src/components/cardbuilder/chaptercardbuilder.js
@@ -104,9 +104,7 @@ import browser from 'browser';
         const cardBoxCssClass = 'cardBox';
         const cardScalableClass = 'cardScalable';
 
-        const html = `<button type="button" class="${className}"${dataAttributes}><div class="${cardBoxCssClass}"><div class="${cardScalableClass}"><div class="cardPadder-${shape}"></div>${cardImageContainer}</div><div class="innerCardFooter">${nameHtml}</div></div></div></button>`;
-
-        return html;
+        return `<button type="button" class="${className}"${dataAttributes}><div class="${cardBoxCssClass}"><div class="${cardScalableClass}"><div class="cardPadder-${shape}"></div>${cardImageContainer}</div><div class="innerCardFooter">${nameHtml}</div></div></div></button>`;
     }
 
     export function buildChapterCards(item, chapters, options) {
diff --git a/src/components/playback/playbackmanager.js b/src/components/playback/playbackmanager.js
index 0f3b0fbc5..9aaeb01c0 100644
--- a/src/components/playback/playbackmanager.js
+++ b/src/components/playback/playbackmanager.js
@@ -887,9 +887,7 @@ define(['events', 'datetime', 'appSettings', 'itemHelper', 'pluginManager', 'pla
                         }
                     }
 
-                    targets = targets.sort(sortPlayerTargets);
-
-                    return targets;
+                    return targets.sort(sortPlayerTargets);
                 });
             });
         };
@@ -3390,8 +3388,8 @@ define(['events', 'datetime', 'appSettings', 'itemHelper', 'pluginManager', 'pla
 
     PlaybackManager.prototype.getSubtitleUrl = function (textStream, serverId) {
         var apiClient = connectionManager.getApiClient(serverId);
-        var textStreamUrl = !textStream.IsExternalUrl ? apiClient.getUrl(textStream.DeliveryUrl) : textStream.DeliveryUrl;
-        return textStreamUrl;
+
+        return !textStream.IsExternalUrl ? apiClient.getUrl(textStream.DeliveryUrl) : textStream.DeliveryUrl;
     };
 
     PlaybackManager.prototype.stop = function (player) {
diff --git a/src/controllers/itemDetails/index.js b/src/controllers/itemDetails/index.js
index 29aa8ad1e..85f42109d 100644
--- a/src/controllers/itemDetails/index.js
+++ b/src/controllers/itemDetails/index.js
@@ -38,7 +38,7 @@ define(['loading', 'appRouter', 'layoutManager', 'connectionManager', 'userSetti
     }
 
     function getContextMenuOptions(item, user, button) {
-        var options = {
+        return {
             item: item,
             open: false,
             play: false,
@@ -53,8 +53,6 @@ define(['loading', 'appRouter', 'layoutManager', 'connectionManager', 'userSetti
             user: user,
             share: true
         };
-
-        return options;
     }
 
     function getProgramScheduleHtml(items) {
@@ -357,9 +355,8 @@ define(['loading', 'appRouter', 'layoutManager', 'connectionManager', 'userSetti
             });
             html.push('<a style="color:inherit;" class="button-link" is="emby-linkbutton" href="' + href + '">' + artist.Name + '</a>');
         }
-        html = html.join(' / ');
 
-        return html;
+        return html.join(' / ');
     }
 
     /**
@@ -1729,7 +1726,7 @@ define(['loading', 'appRouter', 'layoutManager', 'connectionManager', 'userSetti
     }
 
     function getVideosHtml(items) {
-        var html = cardBuilder.getCardsHtml({
+        return cardBuilder.getCardsHtml({
             items: items,
             shape: 'autooverflow',
             showTitle: true,
@@ -1738,8 +1735,6 @@ define(['loading', 'appRouter', 'layoutManager', 'connectionManager', 'userSetti
             centerText: true,
             showRuntime: true
         });
-
-        return html;
     }
 
     function renderSpecials(page, item, user) {
diff --git a/src/scripts/dom.js b/src/scripts/dom.js
index 080bff66a..63935edbb 100644
--- a/src/scripts/dom.js
+++ b/src/scripts/dom.js
@@ -183,11 +183,9 @@
             width = height * (16.0 / 9.0);
         }
 
-        const closest = standardWidths.sort(function (a, b) {
+        return standardWidths.sort(function (a, b) {
             return Math.abs(width - a) - Math.abs(width - b);
         })[0];
-
-        return closest;
     }
 
     /**
diff --git a/src/scripts/libraryMenu.js b/src/scripts/libraryMenu.js
index 961d89dc0..da52be574 100644
--- a/src/scripts/libraryMenu.js
+++ b/src/scripts/libraryMenu.js
@@ -604,12 +604,10 @@ define(['dom', 'layoutManager', 'inputManager', 'connectionManager', 'events', '
                     var icon = i.icon || imageHelper.getLibraryIcon(i.CollectionType);
                     var itemId = i.Id;
 
-                    const linkHtml = `<a is="emby-linkbutton" data-itemid="${itemId}" class="lnkMediaFolder navMenuOption" href="${getItemHref(i, i.CollectionType)}">
+                    return `<a is="emby-linkbutton" data-itemid="${itemId}" class="lnkMediaFolder navMenuOption" href="${getItemHref(i, i.CollectionType)}">
                                     <span class="material-icons navMenuOptionIcon ${icon}"></span>
                                     <span class="sectionName navMenuOptionText">${i.Name}</span>
                                   </a>`;
-
-                    return linkHtml;
                 }).join('');
                 libraryMenuOptions.innerHTML = html;
                 var elem = libraryMenuOptions;