Question

22

(AngularJS) how to loop through an Array

rated 0 times [ 29] [ 7] / answers: 1 / hits: 54017 / 10 Years ago, wed, september 17, 2014, 12:00:00

That is an array on php.i have transformed it in json (with json_encode)

Array

(

    [codehttp] => Array

        (

            [0] => 200

            [1] => 200

            [2] => 200

            [3] => 200

        )



    [time] => Array

        (

            [0] => 2014-09-15 13:54:04

            [1] => 2014-09-15 13:54:04

            [2] => 2014-09-15 13:54:04

            [3] => 2014-09-15 13:54:04

        )



    [channel] => Array

        (

            [0] => channel1

            [1] => channel1

            [2] => channel1

            [3] => channel1

            [4] => channel1

        )



    [type] => Array

        (

            [0] => android

            [1] => android

            [2] => android

            [3] => android

            [4] => android

        )



    [indice] => Array

        (

            [0] => masterplaylist

            [1] => video_110000

            [2] => video_190000

            [3] => video_300000

            [4] => video_500000

        )



    [cdn] => Array

        (

            [0] => cdn1

            [1] => cdn1

            [2] => cdn1

            [3] => cdn1

            [4] => cdn1

        )



)

Please I would like to know how to parse (the codehttp field) in javascript the final json variable. I would like to do it into an angularjs controller.

I have tried this code (in a controller) but it does'nt work

$scope.flag_a = 'good';



for(var key in $scope.content.codehttp)

{

        if($scope.content.codehttp[key] != '200')

        {

                $scope.flag_a = 'bad';

        }

}

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nikokorbinm

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answered 10 Years ago rhiannab · Accepted Answer

At first you need to make sure, your response actually is treated as JSON (thus results in a proper javascript object), and then you can use on of the following three ways:

Using angularjs's own method angular.forEach

$scope.content = {};

$scope.content.codehttp = [200, 200, 200, 201];



angular.forEach($scope.content.codehttp, function(value, key) {

  if (value != 200) {

    $scope.flag_a = 'bad';

  }

})

Using a plain 'for' loop:

for(i=0;i<$scope.content.codehttp.length;i++) { 

  if ($scope.content.codehttp[i] != 200) {

    $scope.flag_a = 'bad';

  }

}

Using the (relatively new) native Array.prototype.forEach method:

$scope = {};

$scope.content = {};

$scope.content.codehttp = [200, 200, 200, 201];



$scope.content.codehttp.forEach(function(value, key) {

    if (value != 200) {

        // for demonstrational purposes only:

        document.write(Entry #+(key+1)+ contained a bad status: +value);

        $scope.flag_a = 'bad';

    }

})