focus length input on change

src/app/tools/password-generator.component.html

@@ -35,7 +35,7 @@
         <div class="form-group col-4">
             <label for="length">{{'length' | i18n}}</label>
             <input id="length" class="form-control" type="number" min="5" max="128" [(ngModel)]="options.length"
-                (blur)="saveOptions()">
+                (blur)="saveOptions()" (change)="lengthChanged()">
         </div>
         <div class="form-group col-4">
             <label for="min-number">{{'minNumbers' | i18n}}</label>

src/app/tools/password-generator.component.ts

@@ -43,4 +43,8 @@ export class PasswordGeneratorComponent extends BasePasswordGeneratorComponent {
             this.modal = null;
         });
     }
+
+    lengthChanged() {
+        document.getElementById('length').focus();
+    }
 }