Deep understanding of ANGULARJS filter _angularjs

• Use in HTML files and in JS files

$scope. Form_time = $filter (' Date ') ($scope. Time, ' Yyyy-mm-dd HH:mm:ss ');

<p>{{time | date: ' YYYY-MM-DD HH:mm:ss '}}</p>

• Internal filters and custom filters

. Filter (' My_data_format ', [function () {return
  function (data,str,sss) {
    console.log (' Data: ', data, ' str: ', STR, ' SSS: ', arguments[2]);
  }
];
VAR1 is the first parameter data, 123 is the second parameter str, this is the third parameter
<p>{{var1 | my_data_format:123: ' This '}}</p>


// Processing of incoming data
. Filter (' My_data_format ', [function () {return
  function (data,str) {
    var arr=[];
    Angular.foreach (data, function (one_list) {
      if (one_list.status = str) {
        arr.push (one_list);
      }
    });
    Return arr
  }
]);
Filters can be used in bound values or in ng-if= "(Lists | My_data_format: ' 2 '). Length>0", and Ng-show, and so on; similar expressions. As a judgment statement
<p ng-repeat = "list in lists" > name: {{list.name}}, number {{lists | my_data_format: ' 2 ') .length}}</p>

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