The canvas' limited space meant that users had to draw over others' creations if they ran out of space -- leading to a full out war between thousands of Reddit users.

You can start from scratch with a blank canvas or choose from a range of fun Hey Duggee colouring pages. Join Duggee and the Squirrels to make a colourful picture with this free online colouring game.

The pen, meanwhile, lets you draw on anything on the screen — not just the blank canvas itself, but also on top of text, images, stickers or whatever else you’ve used to decorate your chat ...

First, I create a blank HTML page and add a canvas tag. I make the page 800 x 600 to leave plenty of room to draw. Once I add the variable to refer to the canvas element, and a context variable to get ...