angular.filter.json

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Description

Allows you to convert a JavaScript object into JSON string.

This filter is mostly useful for debugging. When using the double curly {{value}} notation the binding is automatically converted to JSON.

Usage

In HTML Template Binding

{{ json_expression | json }}

In JavaScript

angular.filter.json(object)

Parameters

Returns

{string}

JSON string.

Example

  <input type="text" name="objTxt" value="{a:1, b:[]}"
         ng:eval="obj = $eval(objTxt)"/>
  <pre>{{ obj | json }}</pre>
  it('should jsonify filtered objects', function() {
    expect(binding('obj | json')).toBe('{\n  "a":1,\n  "b":[]}');
  });

  it('should update', function() {
    input('objTxt').enter('[1, 2, 3]');
    expect(binding('obj | json')).toBe('[1,2,3]');
  });