XMLHttpRequest Interview Question:

Explain what is JSON?

Submitted by: Muhammad

JSON is a very lightweight data format based on a subset of the JavaScript syntax, namely array and object literals. JSON allows communicating with server in a standard way. JSON is used as communication notation instead of XML.

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var oBike =
{
"color" : "Green",
"Speed": 200,
};
alert(oBike.color); //outputs "Green"
alert(oBike.Speed); //outputs 200
The above code creates an javascript object bike with two properties Color and Speed.
Submitted by: Muhammad