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| <element name="google-plusone"> | |
| <script> | |
| Polymer.register(this, { | |
| ready: function() { | |
| addInstance(this); | |
| }, | |
| plusOneReady: function() { | |
| // do stuff | |
| } | |
| }); | |
| var instances = []; | |
| function addInstance(instance) { | |
| instances.push(instance) | |
| } | |
| function notify(instance) { | |
| instance.plusOneReady(); | |
| } | |
| window.google_plusone_loaded = function() { | |
| window.google_plusone_loaded = undefined; | |
| instances.forEach(notify); | |
| instances = undefined; | |
| addInstance = notify; | |
| }; | |
| var script = document.createElement('script'); | |
| script.url = 'https://apis.google.com/js/client:plusone.js?onload=google_plusone_loaded'; | |
| document.head.appendChild(script); | |
| </script> | |
| </element> |
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