Dwitter - javascript demos in 140 characters

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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taupelink

remix of d/35299 by u/taupelink

function u(t) {

with(x)for(m=1e3;m-->99;fill(arc(m**5%2011,m**4%1091,2e4/i/t**w,m,m-6+w)))beginPath(fillStyle=R(i=m*m%263+4,i/3*(w=t**.5),m/i,t*i**(w/9)/m))

May 4 2026 4:35 AM UTC

}// 140/140

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d/35305

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Agnes

remix of d/34203 by u/Agnes

function u(t) {

f=960;V=_=>1-.7/f+Math.random()/f;x.font="20cm A";t?x.setTransform(V(),1-V(),1-V(),V(),f,540)&x.drawImage(c,-f,-540):x.fillText("🍓",400,800)

May 4 2026 11:07 AM UTC

}// 140/140

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The strawberries in my fridge if I leave them alone for a single day #food

u/cantelope

they were never yours. if you can't touch it or spend it. it doesn't belong to you

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taupelink

remix of d/35296 by u/taupelink

function u(t) {

with(x)for(m=1e3;m--;fill(arc(m%11*192+r*C(i=m*95),(m>>4)%7*192+r*S(i),r*w,i,i-6+t)))beginPath(fillStyle=R(r=m**(1-t/12),r,r,w=t**-(t**.5)))

May 3 2026 5:54 PM UTC

}// 140/140

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d/35304

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taupelink

remix of d/33437 by u/taupelink

function u(t) {

for(i=z=8e3;i--;x.fillRect(i/4,90*t,3,z/=3+S(z+i/1e3-t/8)))x.fillStyle=(z=28+8*S(8/z+t/6)+S(z+i/1500)*48/z)&9?z&23?'#B312':'#EDC6':'#4104'

May 3 2026 12:35 AM UTC

}// 138/140

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d/35301

u/KilledByAPixel

nice

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megamitts

remix of d/32329 by u/tem

function u(t) {

for(i=c.width|=2e3;i--;c.style.filter=`invert(`)x.fillStyle='#'+i,x.fillRect(1e3+(j=t+i*1.221)*S(j)/2,540+j*C(j/2)/2,s=i/69,s)

May 3 2026 7:17 AM UTC

}// 126/140

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New_Core

function u(t) {

for(j=360;j--;)for(i=42;i--;x.fillRect(((i+C(t+a/150)*3-20)*a)+960,j*3,a+1,3))a=(50+j*S(t+j/50)+j),x.fillStyle=R(i%2*a/3,i+1%2*a/3,a*C(t/2))

May 3 2026 4:53 PM UTC

}// 140/140

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rodrigo.siqueira

remix of d/35242 by u/rodrigo.siqueira

function u(t) {

t?c.style.filter=`invert(`:𝕏=X=Y=0
for(i=1e4;i--;𝕏=X,x.fillRect(X*4e3-1350,-Y*9e3+100,t<2,.1))
X=T(X*X-Y*Y*.1)+.26,
Y=C(2*𝕏*Y+1.8)%.13

May 2 2026 4:17 PM UTC

}// 134/140

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HellMood

function u(t) {

eval(unescape(escape`景爨倽㑥㐻倭ⴻ砮晩汬却祬攽恨獬⠰⑻獽〥怬砮晩汬剥捴⡘⨸ⱙ⨸ⰸⰸ⤩景爨堽倥㈵㔬夽倾㸸ⱳ㵤㴰㬡猻⥳㵘㱤⬫㽘⩙ⴸ☶㌿㈰㔫夫夫怬㤰┬㍠㩠ⰰ┬㥠㨨䬽⠨太摼⡘ⵤ⤪搩⼲㔶⤦搫琪㘰⤦ㄶ☦怬〥Ⱔ筋☱㕽怠`.replace(/u(..)/g,"$1%")))

Apr 30 2026 9:25 PM UTC

}// 140/140

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Starport

u/HellMood

Trying to replicate this as close as possible in 140 chars : https://www.pouet.net/prod.php?which=103622
u/HellMood

I'm not to experienced in this eval packing. I'm sure you guys will find a few bytes to save here ;) The base HTML/JS code is here https://www.pouet.net/prod.php?which=106109
u/HellMood

eval(unescape(escape𩡯𬠨𤀽𝁥𝀻𤀭𛐻𮀮𩡩𫁬𤱴𮑬𩐽𨁨𬱬𚀰𙁻𬱽𜀥𨀬𮀮𩡩𫁬𤡥𨱴𚁘𚠸𛁙𚠸𛀸𛀸𚐩𩡯𬠨𦀽𤀥𜠵𝐬𦐽𤀾🠸𛁳👤🐰𞰡𬰻𚑳👘🁤𚰫🱘𚡙𛐸𙠶𜰿𜠰𝐫𦐫𦐫𨀬𞐰𙐬𜱠𞡠𛀰𙐬𞑠𞠨𢰽𚀨𦐪𩁼𚁘𛑤𚐪𩀩𛰲𝐶𚐦𩀫𭀪𝠰𚐦𜐶𙠦𨀬𜀥𛀤𮱋𙠱𝑽𨀠.replace(/u../g,""))) 135 xD
u/HellMood

.... aaaaaand i just realized copy pasting into a comment and back to the editor doesnt work -.-
u/KilledByAPixel

amazing work!

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taupelink

remix of d/35244 by u/taupelink

function u(t) {

with(x)for(m=1e3;m--;fill(arc(m**3%2017,m*m%1087,2e4/i/3**(t+m%.3-1),k=m*.8,k+1+t)))beginPath(fillStyle=R(i=m%197+9,i/2,i/4*t,t*i**.5/t**t))

May 1 2026 4:10 PM UTC

}// 140/140

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d/35299

u/SockTaters

really lovely!

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megamitts

remix of d/9605 by u/atgz

function u(t) {

v=Math.abs;for(c.width|=i=351;i--;)x.rect(960+C(t)*64,b=540,b*.618*v(C(t-i)),b*v(S(C(t)+i--)),-t+i--,-t,7);x.stroke();

May 4 2026 8:33 AM UTC

}// 119/140

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