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Starting with jQuery 1.5, jQuery's Ajax implementation includes pre-prefilters, transports and transport, giving you more flexibility to extend Ajax. For information about these advanced features, see Extending Ajax

Using Converters (using converters)

The data types supported by the converter of $.ajax () map to other data types. However, if you want to map a custom data type to a known type (json, etc.), you must add a relevant conversion function between the response Content-Type and the actual data type with the contents option:

$.ajaxSetup ({

Contents: {

Mycustomtype: / mycustomtype/

}

Converters: {

"mycustomtype json": function (result) {

/ / do stuff

Return newresult

}

}

})

This extra object is necessary because there is never a strict one-to-one correspondence between the response content type (Content-Types) and the data type (regular expressions represent the results).

Convert a supported type (such as text, json) to a custom data type, and then return, using another pass-through converter:

$.ajaxSetup ({

Contents: {

Mycustomtype: / mycustomtype/

}

Converters: {

"text mycustomtype": true

"mycustomtype json": function (result) {

/ / do stuff

Return newresult

}

}

})

Now the above code allows you to convert from text to mycustomtype, and then mycustomtype to json.

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