Gah! Ben smash. I wanted to do the simplest thing in Polymer, only to find it was RAGE INDUCING! But now, at least I have a good understanding of how filters work – yay! OK so here’s my problem. Given a JSON model… { “id”: “somekindofstring”, “maxAge”: 289, “maxItems”: 21, “maxDuration”: 600, } … I’d …