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Re:The Matrix in JavaScript in less than 600 bytes by just2n on Sunday March 17, 2013 @01:00PM (#5389949)
Why is this using a map when the result is just being thrown away? Imagine how left out forEach feels :(.

Also: the afterglow is caused by the main loop filling the entire canvas with a black rect with very low opacity. The result is that after so many frames, everything but the actively drawing characters are much darker. Increase the opacity if you want to reduce the length of the effect.

Re:The Matrix in JavaScript in less than 600 bytes by asafh on Sunday March 17, 2013 @01:19PM (#5390041)
As he wrote in the fiddle's test he worked from the deobfuscated code of the original item, which probably used map to save 4 characters
Re:The Matrix in JavaScript in less than 600 bytes by b3tta on Sunday March 17, 2013 @02:47PM (#5390438)
I didn't mean the "rgba()-fillRect-command", but why the font blur is still slightly visible as dark green, while the character itself has already faded to black.