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Posted 12 Feb 2011
Licenced CPOL

Serialize JSON Object to String

, 16 Feb 2011
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Serialize JSON Object to String

A simple way to serialize a JSON object is to iterate through the object’s property and create a JSON formatted string. All the properties and functions in a JSON object can be read just like an associative array or a name/value pair. This allows us to list all the keys and query the object for the values using the keys. Look at the following script:

var myJSON = {
    FirstName: '',
    LastName: '',
    Email: '',
    load: function () {
        //implementation here
    serialize: function () {
        var json = "";
        for (var key in this) {
            if (typeof this[key] != 'function') {
                json += (json != "" ? "," : "") + key + ":'" + this[key] + "'";
        json = '[{' + json + '}]';
        return json;

The serialize function uses a for loop to get all the keys in the object. It checks if the type is not a function because, for this case, we just want to extract the user data values and ignore the functions. You could also extract the contents of the function by just removing the if condition. To build the formatted string, the function concatenates a string with the key/value pair until it reads all the keys. The following sample script sets the property values and serializes the data to a string:

//client code to set properties and serialize data
if (typeof (myJSON) != 'undefined') {
    myJSON.FirstName = "myfirstname";
    myJSON.LastName = "mylastname";
    myJSON.Email = "myemail";
    var data = myJSON.serialize();

The data variable contains a string with this format:


I hope this helps.


This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


About the Author

ozkar garcia
Architect OG-BITechnologies
United States United States

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Comments and Discussions

GeneralMy vote of 1 Pin
Ragnor22-Feb-11 10:34
memberRagnor22-Feb-11 10:34 
GeneralMy vote of 5 Pin
justinonday16-Feb-11 19:41
memberjustinonday16-Feb-11 19:41 
GeneralMy vote of 4 Pin
justinonday16-Feb-11 19:41
memberjustinonday16-Feb-11 19:41 
GeneralMy vote of 5 Pin
ozkar garcia16-Feb-11 3:29
memberozkar garcia16-Feb-11 3:29 
GeneralProblems with quoted strings etc Pin
jsc4215-Feb-11 6:33
memberjsc4215-Feb-11 6:33 
GeneralRe: Problems with quoted strings etc Pin
ozkar garcia15-Feb-11 9:19
memberozkar garcia15-Feb-11 9:19 

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