JSON selftest

How can you put comments into your JSON file?

Please select exactly one correct alternative.

/* My comments here */

// My comments here

<!-- My comments here -->

You cannot put comments into JSON files. None of the above.

Answer

You cannot put comments into JSON files.

What is JSON?

Please select exactly one correct alternative.

JSON or JavaScript Object Negotiation, is an open standard communication protocol that uses human-readable text to transmit data objects consisting of attribute-value pairs. JSON or JavaScript Object Notation, is an open standard format that uses human-readable text to transmit data objects consisting of attribute-value pairs. JSON is a standard format invented by Microsoft that uses human-readable text to transmit data objects consisting of attribute-value pairs. None of the above.

Answer

JSON or JavaScript Object Notation, is an open standard format that uses human-readable text to transmit data objects consisting of attribute–value pairs. It is used primarily to transmit data between a server and web application, as an alternative to XML.

Reading

JSON

What does the abbreviation JSON stand for?

Please select exactly one correct alternative.

JavaScript Object Notation JavaScript Object Negotiation Java Object Notation Java Object Negotiation

Answer

JSON stands for JavaScript Object Notation.

Reading

JSON

Is the code below valid for declaring a JSON array?

var vMyArray = [ 
 { "first" : "HansR", "last" : "ontheWeb" },
 { "first" : "John", "last" : "Doe" }
];

Please select exactly one correct alternative.

Yes. No.

Answer

Please see the correct answer above.

Reading

JSON Array

Is the code below valid for declaring a JSON array?

$scope.vApplicationAreas = [ 
 { "name" : "Business Intelligence" },
 { "name" : "Social" },
 { "name" : "Samenwerken en kennis delen", [
  { "name" : "Document Management" },
  { "name" : "Information publishing" }
 ]},
 { "name" : "Productivity", [
  { "name" : "Mail" },
  { "name" : "Agenda" },
  { "name" : "Search" },
  { "name" : "Samengestelde toepassingen" }
 ]},
];
  

Please select exactly one correct alternative.

Yes. No.

Answer

In the code fragment above, we've forgotten to give the arrays a name. Please see the correct code below:

$scope.vApplicationAreas = [ 
 { "name" : "Business Intelligence" },
 { "name" : "Social" },
 { "name" : "Samenwerken en kennis delen", "children" : [
  { "name" : "Document Management" },
  { "name" : "Information publishing" }
 ]},
 { "name" : "Productivity", "children" : [
  { "name" : "Mail" },
  { "name" : "Agenda" },
  { "name" : "Search" },
  { "name" : "Samengestelde toepassingen" }
 ]},
];
  

Reading

JSON Array