How to count JSON objects

You can use the following solution to count JSON objects:

var jsonObject = {"test1":1,"test2":2};
var keyCount  = Object.keys(jsonObject).length;

That's an array.
You can parse it (JSON.parse), then use the length property.

Assuming it's in the variable foo, foo.length.

var foo = [{...},{...},...];
alert(foo.length);
foo[0].id// 38;

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