selectedItem isn't set when rendered in the background

[samuelli]

Description

Some attributes aren't set correctly when iron-pages is rendered in the background.

Expected outcome

If you inspect iron-pages, selectedItem should be the selected item.

Actual outcome

If you inspect iron-pages, selectedItem is undefined, even though the page is selected correctly.

Live Demo

https://jsfiddle.net/stu9rxxg/1/

Steps to reproduce

1. Open demo link in new tab
2. Wait for it to load before clicking on the tab
3. Inspect iron-pages.selectedItem

Can also repro by quickly opening the page, tabbing away before iron-pages loads, and coming back after it has loaded.

Browsers Affected

Unsure about others

• Chrome
• Firefox
• Safari 9
• Safari 8
• Safari 7
• Edge
• IE 11
• IE 10

[ymaz]

Hi, does PolymerElement have plans to resolve this issue in near future? Thanks

[HJK181]

Over one year old a no comments?