AngularJS json Filter

Definition and Usage

json The filter converts a JavaScript object to a JSON string.

This filter is very useful when debugging applications.

A JavaScript object can be any type of JavaScript object.

Related Pages

AngularJS Tutorial:Angular Filters

Instance

Example 1

Display a JavaScript object as a JSON string:

<div ng-app="myApp" ng-controller="jsCtrl">
<h1>Customer:</h1>
<pre>{{customer | json}}</pre>
</div>
<script>
var app = angular.module('myApp', []);
app.controller('jsCtrl', function($scope) {
    $scope.customer = {
        "name" : "Alfreds Futterkiste",
        "city" : "Berlin",
        "country" : "Germany"
    ;
});
</script>

Try It Yourself

Example 2

Ensure that each indentation of the JSON string has 12 spaces:

<div ng-app="myApp" ng-controller="jsCtrl">
<h1>Customer:</h1>
<pre>{{customer | json : 12}}</pre>
</div>
<script>
var app = angular.module('myApp', []);
app.controller('jsCtrl', function($scope) {
    $scope.customer = {
        "name" : "Alfreds Futterkiste",
        "city" : "Berlin",
        "country" : "Germany"
    ;
});
</script>

Try It Yourself

Example 3

JavaScript Object as Array:

<div ng-app="myApp" ng-controller="jsCtrl">
<h1>Carnames:</h1>
<pre>{{cars | json}}</pre>
</div>
<script>
var app = angular.module('myApp', []);
app.controller('jsCtrl', function($scope) {
    $scope.cars = ['Audi', 'BMW', 'Ford'];
});
</script>

Try It Yourself

Syntax

{{ object | json : spacing }}

Parameters