1<!-- 2@license 3Copyright (c) 2015 The Polymer Project Authors. All rights reserved. 4This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt 5The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt 6The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt 7Code distributed by Google as part of the polymer project is also 8subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt 9--> 10 11<link rel="import" href="../../polymer/polymer.html"> 12<link rel="import" href="../neon-animation-behavior.html"> 13<link rel="import" href="../web-animations.html"> 14 15<!-- 16`<fade-in-animation>` animates the opacity of an element from 0 to 1. 17 18Configuration: 19``` 20{ 21 name: 'fade-in-animation', 22 node: <node> 23 timing: <animation-timing> 24} 25``` 26--> 27 28<script> 29 30 Polymer({ 31 32 is: 'fade-in-animation', 33 34 behaviors: [ 35 Polymer.NeonAnimationBehavior 36 ], 37 38 configure: function(config) { 39 var node = config.node; 40 this._effect = new KeyframeEffect(node, [ 41 {'opacity': '0'}, 42 {'opacity': '1'} 43 ], this.timingFromConfig(config)); 44 return this._effect; 45 } 46 47 }); 48 49</script> 50