zoukankan      html  css  js  c++  java
  • What is a collection?

     1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
     2 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
     3 <head>
     4     <meta http-equiv="Content-Type" content="text/html;charset=UTF-8" />
     5     <title></title>
     6     <script type="text/javascript" src="jquery-1.8.0.min.js"></script>
     7     <script type="text/javascript" src="underscore.js"></script>
     8     <script type="text/javascript" src="backbone.js"></script>
     9     <script type="text/javascript" src="index.js"></script>
    10 </head>
    11 <body>
    12     
    13 </body>
    14 </html>
     1 var Song = Backbone.Model.extend({
     2     defaults: {
     3         name: "Not specified",
     4         artist: "Not specified"
     5     },
     6     initialize: function() {
     7         console.log('Music is the answer');
     8     }
     9 });
    10 
    11 var Album = Backbone.Collection.extend({
    12     model: Song
    13 });
    14 
    15 var song1 = new Song({
    16     name: "How Bizarre",
    17     artist: "OMC"
    18 });
    19 var song2 = new Song({
    20     name: "Sexual Healing",
    21     artist: "Marvin Gaye"
    22 });
    23 var song3 = new Song({
    24     name: "Talk It Over In Bed",
    25     artist: "OMC"
    26 });
    27 
    28 var myAlbum = new Album([song1, song2, song3]);
    29 console.log(myAlbum.models);
    30 console.log(JSON.stringify(myAlbum.models[0]));
    31 
    32 var name1 = song1.get("name");
    33 console.log(name1);
    34 var artist1 = song1.get("artist");
    35 console.log(artist1);
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  • 原文地址:https://www.cnblogs.com/qzsonline/p/2643773.html
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