O'Reilly logo

HTML5 Data and Services Cookbook by Mite Mitreski, Gorgi Kosev

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Serializing binary data into JSON

When working with REST API's if you need to include binary data as part of the JSON, then one of the simplest ways is to use base64. Images and similar resources should most likely exist as separate resources but they can also be part of the JSON document as well. In this recipe, we are going to cover a simple example of including image in JSON document.

How to do it...

We will generate some binary data from a canvas element and serialize it to JSON:

  1. We start by creating an HTML file, where we can place a simple canvas, a div element for output, and includes jQuery together with the script will be created afterwards:
    <!doctype html> <html> <head> <meta charset="utf-8"> <title>Binary data to json</title> <style type="text/css"> ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required