For reprint rights or to purchase a copy of your Daily Journal photo, email Jeremy_Ellis@dailyjournal.com for prices or call 213-229-5424.
To buy more copies, call 866-531-1492 or email subscribe@dailyjournal.com
This is the property of the Daily Journal Corporation and fully protected by copyright.
It is made available only to Daily Journal subscribers for personal or collaborative purposes
and may not be distributed, reproduced, modified, stored or transferred without written permission.
Please click "Reprint" to order presentation-ready copies to distribute to clients or use in commercial
marketing materials or for permission to post on a website. and copyright (showing year of publication) at the bottom.
Users with older devices or browsers — the update is less forgiving on legacy hardware.
Updating the canvas is necessary to:
is a design pattern that treats pointer input as a raw data stream rather than a series of immediate render commands.
const canvas = document.getElementById('myCanvas'); const ctx = canvas.getContext('2d'); const img = new Image();
Canvas Upd 2021 Jun 2026
Users with older devices or browsers — the update is less forgiving on legacy hardware.
Updating the canvas is necessary to:
is a design pattern that treats pointer input as a raw data stream rather than a series of immediate render commands.
const canvas = document.getElementById('myCanvas'); const ctx = canvas.getContext('2d'); const img = new Image();
