Javascript Object Serialization

Active6 years, 11 months ago

JavaScript Serialize Form Data. JQuery has a method “serialize” to serialize form data. However, J avaScript serialize form do not support this method directly. To allow form data serialize in JavaScript, we must import a library from google.

I am using to a jQuery post method to send some data to a server. Rather than constructing the JSON string myself, I would like to simply use a Javascript object. When I get the return string (in JSON) I would like to automatically construct a corresponding javascript object. Is this possible?

  • Deserializing a JSON into a JavaScript object. Ask Question Asked 8 years, 3 months ago. Active 1 year, 9 months ago. Serialization of javascript function for c#-2.
  • Serializing Objects. Object serialization is the process of converting an object’s state to a string from which it can later be restored. ECMAScript 5 provides native functions JSON.stringify and JSON.parse to serialize and restore JavaScript objects. These functions use the JSON data interchange format.
  • JavaScript is a language with loose data typing which does not allow to get the type of the object directly. And, that is quite a problem when the object is to be restored from the stream. Fortunately, the object type (exactly not type, but name) can be retrieved from the constructor of the object and saved alone with the data.

Thanks in advance.

klyngbaek
klyngbaekklyngbaek
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4 Answers

Checkout JSON.stringify() and JSON.parse() in JSON2 documentation

Example:

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techfoobartechfoobar
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Yes.

If the JSON object is available, you can use :

to transform an object into JSON string.

You can also convert a string into an object with

To be sure that JSON is available, you can include this file https://github.com/douglascrockford/JSON-js

j_freyrej_freyre
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you should use Douglas Crockford's JSON2 library.

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That way, you could:

or

André Alçada PadezAndré Alçada Padez
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If you use jQuery.getJSON you don't have to care about stringifying and parsing json, jquery does it for you.

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Javascript Object Serialization

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6 Apr 2006CPOL

Introduction

Javascript Json Serialization Large Object

Serialization is the most sensible way of exchanging information in any type of communication. Delivering data from the server and sending the response back is the most usual application of serialization.

Saving the object to a container and restoring the object from a container is a common and necessary operation in generic programming. When using the term container, I mean anything that can hold serialized objects (binary stream, XML stream, string etc.). When I started this project, I was surprised to find out that such a simple and useful thing was not implemented before in JavaScript in its pure form: saving an object and restoring the object without extra conditions imposed or external files involved.

Also, this operation must be self contained; otherwise, the whole exercise is pretty much pointless.

The serializer presented here can serialize complex JavaScript objects to a string and deserialize it from string in XML form. Why XML string? Because nothing else is available in JavaScript. Only strings.

JavaScript is a language with loose data typing which does not allow to get the type of the object directly. And, that is quite a problem when the object is to be restored from the stream. Fortunately, the object type (exactly not type, but name) can be retrieved from the constructor of the object and saved alone with the data. The restoring of the object is straightforward: get the type name of the object, create the instance, and fill the members recursively.

Using the code

Compatibility: IE and Mozilla (and Mozilla alike: Firefox ..)

Misconceptions about JSON and XML

Javascript Object To Xml

There is common misconception that JSON is fat free XML. It is not. Strictly speaking, JSON is not an extensible XML like notation which is absolutely useless as a general purpose serializer. There are many reasons why not to use JSON. Those reasons are beyond the scope of this article. However there is just one reason that overweighs all others: JSON stream (in our case, string) does not contain the type of the object to be deserialized. It is impossible to deserialize the object on the server if the number of types is greater than one. Does that look like a serializer? To me, it does not. In other words, JSON is a purely academical construction with nicely drawn graphs and diagrams. But it has nothing to do with practical applications. The only place I see its value is a temporary storage on the web client. The inherent limitations do not allow to use it in the real world of generic programming. A discussion on the JSON thematic can be found here: http://www.codeproject.com/KB/scripting/jsonExample.aspx, at the bottom of the page.

Where to download the code

Serialize Javascript Object

The full source code and sample can be found at http://dotnetremoting.com/ in the download section.

Javascript Serialization Object Type

This serializer is used with the Rich Web Client SDK.