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function u(t) {

c.width=1920 // clear the canvas
for(i=0;i<9;i++)
x.fillRect(400+i*100+S(t)*300,400,50,200) // draw 50x200 rects

} // 122/140

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    u(t) is called 60 times per second.
    t: Elapsed time in seconds.
    S: Shorthand for Math.sin.
    C: Shorthand for Math.cos.
    T: Shorthand for Math.tan.
    R: Function that generates rgba-strings, usage ex.: R(255, 255, 255, 0.5)
    c: A 1920x1080 canvas.
    x: A 2D context for that canvas.

Try the new frontend: beta.dwitter.net
Current theme challenge: #Food

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46uuuu

function u(t) {

SyntaxError: unexpected identifier 'identifier'

May 19 2026 4:36 PM UTC

}// 47/140

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SyntaxError: unexpected identifier 'identifier'

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mark1626

remix of d/35387 by u/mark1626

function u(t) {

c.width=1920,X=0,Y=0;for(i=1e3;i--;)
k=101+(t/2.5e3)%10,X=C(k*i)*C(i),Y=C(k*i)*S(i),
x.fillRect(X*500+960,Y*500+540,5,5)

May 19 2026 6:37 AM UTC

}// 120/140

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46uuuu

function u(t) {

May 16 2026 3:46 PM UTC

}// 0/140

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😂

u/tomxor

Wow zero chars, there's only one of these.. and now it's been done.

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taupelink

remix of d/35357 by u/taupelink

function u(t) {

with(x)for(m=600;m--;fill(arc(m**3%2e3,m*m%1221,m/(i*t)**t,i*=94.96,i-3-t)))beginPath(fillStyle=`hsl(${i=60+(m&13)**2},70%,50%,${t/i**.7})`)

May 13 2026 5:10 PM UTC

}// 140/140

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d/35368

u/taupelink

Created on Windows on a Chrome-based browser. Looks a little different on iOS Safari

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taupelink

remix of d/35439 by u/taupelink

function u(t) {

for(i=z=1080;i--;x.fillRect(320*t,i,z+=1+S(t-z*S(z+(i/150/z+t/6)**(3/z))),4))x.fillStyle=R(r=233-(z=z%.64*8|0)**2*9,r,r,(z+=2-C(t/++z)/2)/r)

May 26 2026 2:02 PM UTC

}// 140/140

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d/35444

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tomxor

remix of d/35426 by u/46uuuu

function u(t) {

b=80
eval(unescape(escape`𩐽𩁯𨱵𫑥𫡴𛡤𫱣𭑭𩑮𭁅𫁥𫑥𫡴𞱴🰰𞡤👛𛠮𛡮𩑷𘁓𩑴𚁥𦱰🐧🁣𫱤𩐾𙰬𪀽𙱩𫡮𩑲𢁔𣑌𙱝𛡭𨑴𨱨𚀯𧁢𦱡𛑺𧑻𜰬𯐯𩰩𚑝𞱷𪑴𪀨𣑡𭁨𚑴🠳🰰𞡥𦱨𧐽𬀫🐨𭀪𝠰𙑣𩑩𫀨𨠯𫁯𩰲𚁳👤𛡬𩑮𩱴𪀩𚑼𜀿𙰠𙰺𙰼𨡲🠧𚐫𩁛𬡡𫡤𫱭𚀩𚡳𯀰𧐻`.replace(/u../g,'')))

May 26 2026 12:57 AM UTC

}// 139/140

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🎲 Dwiceware Password Generator

u/tomxor

Increase b for more bits. Dwiceware !== Diceware, because the dictionary is generated from dweet.html source, which could change, so entropy bits per word is dynamically calculated based on dictionary size, currently log2(s) = 8.95 bits/word

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taupelink

remix of d/35385 by u/taupelink

function u(t) {

for(i=z=1080;i--;x.fillRect(320*t,i,z+=9-2*C(t/4*z)*S(i/170-z)*S(i**.3),4))x.fillStyle=R(r=252-(z=z*.8%.9*6|0)**3*2,r,r,(z+=3+S(t/++z/z))/r)

May 25 2026 7:23 PM UTC

}// 140/140

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d/35439

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Jakey

function u(t) {

for(i=99;i--;x.fillRect(960+S(i/2+t)*r,540+C(i/4)*r,w=S(t)*9,w))x.fillStyle=`hsl(0,99%,${99-i}%`,r=99*S(t*2+i/99)

May 24 2026 6:44 PM UTC

}// 114/140

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for(i=99;i--;x.fillRect(960+S(i/2+t)*r,540+C(i/4)*r,w=S(t)*9,w))x.fillStyle=hsl(0,99%,${99-i}%,r=99*S(t*2+i/99)

u/Jakey

looking for luv
u/Jakey

#fire
u/SockTaters

cool! welcome to Dwitter

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46uuuu

function u(t) {

c.width=1920
r=t=>Math.random()*t
x.fillStyle=R(r(255),r(255),r(255),r(1))
x.fillRect(r(1920),r(1080),r(1920),r(1080))

May 23 2026 3:37 AM UTC

}// 118/140

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Chaosify.js

u/joeytwiddle

Classic

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46uuuu

remix of d/16414 by u/katkip

function u(t) {

try{top.o}catch(e){throw(""+e).split(".")[1]}

May 22 2026 3:47 AM UTC

}// 45/140

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Same but shorter