Week 5 — Dealing with Errors
— Drawing with the canvas object

Dealing with errors

Error handling with try-catch-throw

Drawing with the canvas object

You can draw on a page with JavaScript using the Canvas element. Here are a couple of sites to help you learn about that element.

• The W3 schools HTML5 canvas element description is here.
• Tutorial on using cavases.

Here are some examples using the canvas element.

• Draw a line on a canvas here..
• Rectangle moves across the canvas here.
• An analog clock here.