iT 邦幫忙::一起幫忙解決難題，拯救IT 人的一天
Canvas SignaturePad doesn't clear on Mobile Phonegap App (Android) - Stack Overflow
A responsive html template for drawing on a canvas | Casual Perambulations
HTML5 canvas - experiments
How do I draw a semi transparent line on a html canvas element without dots in the line? - Stack Overflow
Javascript canvas clear arc - jQuery 2 DotNet
HTML 5 canvas drawing application | techpituwa
Clear Canvas in HTML5 - Tech Funda
![4. Hacking Your Graphics with Canvas and SVG - HTML5 Hacks [Book]](https://www.oreilly.com/library/view/html5-hacks/9781449335052/figs/web/hl5h_0401.png "4. Hacking Your Graphics with Canvas and SVG - HTML5 Hacks [Book]")
4. Hacking Your Graphics with Canvas and SVG - HTML5 Hacks [Book]
Zetakey HTML5 Browser - HTML5 Capture Signature Canvas Example
Transparency in HTML5 canvas
☑ Meaning of Scene Setting 'Transparent Canvas' - PlayCanvas Discussion
Move canvas around
Programmers Sample Guide: Capture signature using HTML5 canvas - Use for iPad, iPhone, Android Tablets and Phones
HTML Canvas Element: The Way of The Future
Display graphics using the HTML 5 canvas and JavaScript.
Move canvas around
GitHub - vascojm82/Bubbles-on-Water-HTML-Canvas-JavaScript-Animation: Simple animation of bubble looking clear circles bouncing around the whole browser canvas with a water animated background.
Canvas | Code Along - Basic Animations - HackMD
How to Clear the Canvas for Redrawing
Why won't my canvas clear between animation frames? - Stack Overflow
Using 3 Events to Sign a Signature on HTML5 Canvas - Easy Code Share
