Time for action – JSON encoding and decoding

Let's create a simple model: a 3D line. Here we will be focusing on how we do JSON encoding and decoding. Follow the given steps:

1. Go to your Internet browser and open the interactive JavaScript console. Use the following table for assistance:

   Web browser	Menu option	Shortcut keys (PC / Mac)
   Firefox	Tools | Web Developer | Web Console	Ctrl + Shift + K / Command + Alt + K
   Safari	Develop | Show Web Inspector	Ctrl + Shift + C / Command + Alt + C
   Chrome	Tools | JavaScript Console	Ctrl + Shift + J / Command + Alt + J

2. Create a JSON object by typing:

   var model = {"vertices":[0,0,0,1,1,1], "indices":[0,1]};

3. Verify that the model is an object by writing:

   typeof(model)

4. Now, let's print the model attributes. Write this in the console (press Enter at the end of each line):

   model.vertices
   model.indices

5. Now, let's create a JSON text:

   var text = JSON.stringify(model)
   alert(text)

6. What happens when you type text.vertices?

   As you can see, you get an...