diff --git a/www/manager6/lxc/MPResize.js b/www/manager6/lxc/MPResize.js
index f73c5c3fa..881c037b0 100644
--- a/www/manager6/lxc/MPResize.js
+++ b/www/manager6/lxc/MPResize.js
@@ -91,11 +91,6 @@ Ext.define('PVE.window.MPResize', {
 	    items: [me.formPanel],
 	});
 
-
 	me.callParent();
-
-	if (!me.disk) {
-	    return;
-	}
     },
 });
diff --git a/www/manager6/qemu/HDResize.js b/www/manager6/qemu/HDResize.js
index a18e242cb..f9c7290d1 100644
--- a/www/manager6/qemu/HDResize.js
+++ b/www/manager6/qemu/HDResize.js
@@ -92,9 +92,5 @@ Ext.define('PVE.window.HDResize', {
 
 
 	me.callParent();
-
-	if (!me.disk) {
-	    return;
-	}
     },
 });
diff --git a/www/manager6/qemu/OSDefaults.js b/www/manager6/qemu/OSDefaults.js
index 8e5856510..f464133e5 100644
--- a/www/manager6/qemu/OSDefaults.js
+++ b/www/manager6/qemu/OSDefaults.js
@@ -24,7 +24,7 @@ Ext.define('PVE.qemu.OSDefaults', {
 	var me = this;
 
 	var addOS = function(settings) {
-		if (me.hasOwnProperty(settings.parent)) {
+		if (Object.prototype.hasOwnProperty.call(settings, 'parent')) {
 		    var child = Ext.clone(me[settings.parent]);
 		    me[settings.pveOS] = Ext.apply(child, settings);
 		} else {
diff --git a/www/manager6/storage/Base.js b/www/manager6/storage/Base.js
index 4336d634f..20ec34643 100644
--- a/www/manager6/storage/Base.js
+++ b/www/manager6/storage/Base.js
@@ -78,7 +78,7 @@ Ext.define('PVE.panel.StoragePruneInputPanel', {
 	    }
 	    // always delete old 'maxfiles' on edit, we map it to keep-last on window load
 	    return {
-		delete: ['prune-backups', 'maxfiles'],
+		'delete': ['prune-backups', 'maxfiles'],
 	    };
 	}
 	let options = { 'prune-backups': retention };
diff --git a/www/manager6/storage/ImageView.js b/www/manager6/storage/ImageView.js
index dda4b8e62..69517b5ef 100644
--- a/www/manager6/storage/ImageView.js
+++ b/www/manager6/storage/ImageView.js
@@ -33,8 +33,7 @@ Ext.define('PVE.storage.ImageView', {
 		text: gettext('Remove'),
 		disabled: true,
 		handler: function(btn, event, rec) {
-		    var url = "/nodes/" + nodename + "/storage/" + storage +
-			      "/content" + '/' + rec.data.volid;
+		    let url = `/nodes/${nodename}/storage/${storage}/content/${rec.data.volid}`;
 		    var vmid = rec.data.vmid;
 
 		    var store = PVE.data.ResourceStore;
diff --git a/www/manager6/storage/ZFSEdit.js b/www/manager6/storage/ZFSEdit.js
index e348d1a15..0c5a3ceba 100644
--- a/www/manager6/storage/ZFSEdit.js
+++ b/www/manager6/storage/ZFSEdit.js
@@ -38,7 +38,7 @@ Ext.define('PVE.storage.ZFSInputPanel', {
 	return me.callParent([values]);
     },
 
-    setValues: function diff(values) {
+    setValues: function(values) {
 	values.writecache = values.nowritecache ? 0 : 1;
 	this.callParent([values]);
     },