How to Send JSON Data Correctly Using jQuery\'s $.ajax Method?

Sending JSON with jQuery

When submitting data to a server using jQuery's $.ajax method, it's crucial to send actual JSON instead of a query string. This avoids the dreaded conversion to query strings, where arrays in the JSON object end up with non-standard notation.

To send JSON correctly, follow these steps:

1. Serialize the Data:
   Convert your JSON object into a string using JSON.stringify(data).
2. Set the Content Type:
   Specify the contentType as "application/json" to inform the server that the data is in JSON format.
3. Update Your $.ajax Call:
   Modify your $.ajax call to include the serialized JSON as follows:

$.ajax({
    url: url,
    type: "POST",
    data: JSON.stringify(data),
    contentType: "application/json",
    complete: callback
});

By following this approach, you can confidently send raw JSON to the server, ensuring proper handling and avoiding the issues associated with query string conversion.

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