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:
We start by creating an HTML file, where we can place a simple
canvas
, adiv
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"> div { word-wrap: break-word; } </style> </head> <body> <canvas id="myCanvas" width="75" height="75"></canvas> <...