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Polymer Colliding Property// source http://jsbin.com/suwupas
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| <!doctype html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>Polymer Colliding Property</title> | |
| <script src="//cdnjs.cloudflare.com/ajax/libs/webcomponentsjs/0.7.23/webcomponents-lite.min.js"></script> | |
| <link href="https://raw.githubusercontent.com/Polymer/polymer/v1.7.1/polymer.html" rel="import"> | |
| </head> | |
| <body> | |
| <colliding-element></colliding-element> | |
| <dom-module id="colliding-element"> | |
| <template> | |
| <ul> | |
| <template is="dom-repeat" items="[[list]]" as="colliding"> | |
| <li><button on-click="alert">[[colliding]]</button></li> | |
| </template> | |
| </ul> | |
| </template> | |
| </dom-module> | |
| </body> |
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| Polymer({ | |
| is: 'colliding-element', | |
| properties: {}, | |
| ready() { | |
| this.list = [1,2,3,4,5,6,7,8,9]; | |
| }, | |
| colliding(i) { | |
| return this.list[i]; | |
| }, | |
| alert() { | |
| try { | |
| // this.colliding has been overwritten by | |
| // the as="colliding" attribute on the | |
| // dom-repeat | |
| alert(this.colliding(0)); | |
| } catch (e) { | |
| alert(e.message); | |
| } | |
| } | |
| }); |
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