<!-- @license Copyright (c) 2015 The Polymer Project Authors. All rights reserved. This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt Code distributed by Google as part of the polymer project is also subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt --> <!doctype html> <html> <head> <title>avg worst case</title> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1, user-scalable=yes"> <meta name="mobile-web-app-capable" content="yes"> <meta name="apple-mobile-web-app-capable" content="yes"> <script src="../../../webcomponentsjs/webcomponents-lite.js"></script> <link rel="import" href="../../../polymer/polymer.html"> <link rel="import" href="../../iron-list.html"> <style is="custom-style"> body { @apply(--layout-fullbleed); } iron-list { width: 500px; height: 400px; float: left; margin: 10px; } .item { background-color: green; border-bottom: 1px solid white; } </style> </head> <body unresolved> <template is="dom-bind"> <h1>The physical average is not useful in this situations</h1> <p>The list is correct if it can render all the items without empty spaces.</p> <iron-list id="list" items="[791, 671]" as="item" style="width: 300px; height: 300px;"> <template> <div class="item" style$="[[_getStyle(item)]]"><span>[[index]]</span> height: <span>[[item]]</span> </div> </template> </iron-list> <iron-list id="list2" items="[791, 671]" as="item" style="width: 710px; height: 453px;"> <template> <div class="item" style$="[[_getStyle(item)]]"><span>[[index]]</span> height: <span>[[item]]</span> </div> </template> </iron-list> <iron-list items="[512, 256, 128, 64, 16, 16, 16, 16, 16, 16, 8, 4]" as="item" style="height: 256px;"> <template> <div class="item" style$="[[_getStyle(item)]]"><span>[[index]]</span> height: <span>[[item]]</span> </div> </template> </iron-list> </template> <script> HTMLImports.whenReady(function() { document.querySelector('template[is=dom-bind]')._getStyle = function(item) { return 'height:' + item + 'px; '; }; setTimeout(function() { document.querySelector('#list').push('items', 251, 191, 151, 191, 51, 51, 51); }, 100); setTimeout(function() { document.querySelector('#list2').push('items', 251, 191, 151, 191, 51, 51, 51); }, 300); }); </script> </body> </html>