{"type":"rich","version":"1.0","title":"Polymer 1.x: \n\nData binding and controlling the display of hidden custom elements","author_name":"katejeffreys","author_url":"https://plnkr.co/users/katejeffreys","provider_name":"Plunker","provider_url":"https://plnkr.co","html":"<iframe id=\"plnkr_embed_4Tek1eNhz1JZNfOT7K2w\" class=\"plnkr_embed_iframe\" style=\"width: 100%; overflow: hidden;\" src=\"https://embed.plnkr.co/plunk/4Tek1eNhz1JZNfOT7K2w?autoCloseSidebar&deferRun&show=preview\" width=\"600\" height=\"400\" frameborder=\"0\" scrolling=\"no\"></iframe>","width":600,"height":400,"thumbnail_url":"https://shot.plnkr.co/4Tek1eNhz1JZNfOT7K2w.png?d=2018-06-13T03%3A11%3A47.767Z","thumbnail_width":400,"thumbnail_height":300}