Fix keyboard focus issue

Author: Nii Yeboah

lib/common-js-modules.esm.js.map

@@ -45,10 +45,10 @@
   "dependencies": {
     "@juggle/resize-observer": "^3.1.3",
     "@polymer/polymer": "^3.0.0",
-    "@vaadin/component-base": "^23.1.0",
-    "@vaadin/tabs": "^23.1.0",
-    "@vaadin/vaadin-lumo-styles": "^23.1.0",
-    "@vaadin/vaadin-themable-mixin": "^23.1.0",
+    "@vaadin/component-base": "^23.2.4",
+    "@vaadin/tabs": "^23.2.4",
+    "@vaadin/vaadin-lumo-styles": "^23.2.4",
+    "@vaadin/vaadin-themable-mixin": "^23.2.4",
     "intersection-observer": "^0.10.0",
     "smoothscroll-polyfill": "^0.4.4",
     "stickyfilljs": "^2.1.0"
@@ -64,8 +64,8 @@
     "@rollup/plugin-commonjs": "^11.1.0",
     "@rollup/plugin-node-resolve": "^7.1.3",
     "@vaadin-component-factory/vcf-element-util": "^0.2.8",
-    "@vaadin/button": "^23.1.0",
-    "@vaadin/text-field": "^23.1.0",
+    "@vaadin/button": "^23.2.4",
+    "@vaadin/text-field": "^23.2.4",
     "@webcomponents/webcomponentsjs": "^2.0.0",
     "babel-eslint": "^10.0.2",
     "babel-loader": "^8.0.6",

package.json

@@ -250,7 +250,7 @@ export class AnchorNavElement extends ElementMixin(ThemableMixin(PolymerElement)
 
   _onNavFocus(e) {
     if (AnchorNavElement.isSame(e.target)) {
-      this.sections.forEach(section => section.setAttribute('tabindex', '-1'));
+      this.sections.forEach(section => section.setAttribute('tabindex', '0'));
     }
   }