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JSON and brackets

Posted on 2014-07-14
Medium Priority
Last Modified: 2014-07-14
There is a web service that returns the following:


What is the difference between this JSON structure, and the following one:


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without the hard brackets.

What do the hard brackets represent?
Question by:Anthony Lucia
LVL 21

Assisted Solution

by:Randy Poole
Randy Poole earned 668 total points
ID: 40195291
The square brackets specify an array.  where the { brackets specify an object.  So in the first response you could get back more then 1 object
LVL 83

Assisted Solution

leakim971 earned 664 total points
ID: 40195313
var json = [{"1":444}];
var j1 = json[0];
alert( j1[1] ); // alert 444

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VS :
var j1 = {"1":444};
alert( j1[1] ); // alert 444

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LVL 75

Accepted Solution

käµfm³d   👽 earned 668 total points
ID: 40195344
The JSON specification is a good place to go to understand all of the syntax you might encounter.

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