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The JavaScript JSON Cookbook

You're reading from   The JavaScript JSON Cookbook Over 80 recipes to make the most of JSON in your desktop, server, web, and mobile applications

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Product type Paperback
Published in Jun 2015
Publisher
ISBN-13 9781785286902
Length 192 pages
Edition 1st Edition
Languages
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Toc

Table of Contents (12) Chapters Close

Preface 1. Reading and Writing JSON on the Client FREE CHAPTER 2. Reading and Writing JSON on the Server 3. Using JSON in Simple AJAX Applications 4. Using JSON in AJAX Applications with jQuery and AngularJS 5. Using JSON with MongoDB 6. Using JSON with CouchDB 7. Using JSON in a Type-safe Manner 8. Using JSON for Binary Data Transfer 9. Querying JSON with JSONPath and LINQ 10. JSON on Mobile Platforms Index

Sending JSON to your web server using jQuery


Sending JSON to your server using jQuery is easy. Just get the data in the JSON format and specify it using the ajax method argument's data field.

How to do it...

Let's look at doAjax again, this time modified to send our request JSON:

function doAjax() {
  $('#debug').html("loaded... executing.");
 
  var request = { 
    call: "kf6gpe-7"
  };

  $.ajax({
    type: "POST",
    url: "/",
    data: JSON.stringify(request),
    dataType:"json"
  });
}

</script>
</body>
</html>

How it works…

The magic line in the previous listing is highlighted; it's the following line in the arguments passed to the ajax method:

    data: JSON.stringify(request),

Of course, we use JSON.stringify to encode the JavaScript object as JSON before assigning it to the data field.

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