Saving HTML 5 Canvas Into Files Using Client And Server Scripting

The image below consists of randomly generated circles drawn on HTML 5 canvas object.
You can enter a parameter below. You can press the Save button to save the image.
Tutorial on how this is done can be read here (it uses HTML5 Canvas, AJAX and PHP):

Wait for a while after clicking the button and the filename of the image will be shown to you.

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