angular.js 自定义过滤器去重

原文地址

app.filter('unique', function() {   return function(collection, keyname) {      var output = [],           keys = [];      angular.forEach(collection, function(item) {          var key = item[keyname];          if(keys.indexOf(key) === -1) {              keys.push(key);              output.push(item);          }      });      return output;   };});

<div ng-repeat="item in items | unique: 'id'"></div>