json,angularjs,filter , AngularJS - Filtering Json by a variable


AngularJS - Filtering Json by a variable

Question:

Tag: json,angularjs,filter

I am working on a single page app using dynamic routing. I get my bookid from the URL as below

myApp.controller('BookCtrl', function($scope,$routeParams) {
    $scope.mybookid=$routeParams.bookurl;
});

Here is my data

var bookdata  = {
"records": [
  {
    "seriesid": "SpectrumSeries",
    "name": "White Curse",
    "bookid": "WhiteCurse",
    "image": "book1",
  }

...
]};

In the above controller, how to I filter out an object that has bookid that equals to $scope.mybookid? I know I can do this by ng-repeat and filter but is there a more efficient way?


Answer:

Use filter in javascript:

var filteredBooks = bookdata.records.filter(function(book){
    return book.bookid == $scope.mybookid; 
});

The filteredBooks array will contains all the book with your bookId.


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