Demo : https://deadpixel.mesili.fr
I wanted to use deadpixelbuddy.com but it looks like the website has been suspended by the hosting company...
So I quickly made this page to check my -worsening- monitor. Nobody asked but if you wonder, it has some dead pixels and now a vertical line of dead or at least darker pixels.
Usually I do not share this kind of quick & dirty snippets but I feel like it would be a great base to teach my son a bit about javascript in a few years...
The purpose of this page is to help locate dead pixels on your screen by showing a flat color that you can change by moving the mouse around (or on tap for mobiles).
Nothing fancy :
- An HTMl5 page
- A
<body>with an inner<div id="filler"> - An
mousemoveevent listener on#filler - The background color is set using
hsl()
The value of H, S and L are respectively :
- H : the current horizontal mouse position divided by the #filler.clientWidth then multiplied by 360
- S : Minimum set a 29%, maximum at 100%. Incrementing or decrementing gradually on each mousemove event
- L : the current vertical mouse position divider by the #filler.clientHeight then multiplied by 100
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