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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46uuuu

function u(t) {

c?.remove()
throw document.querySelector("style").textContent.slice(219,267)

Jun 5 2026 2:21 AM UTC

}// 76/140

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rodrigo.siqueira

remix of d/35508 by u/rodrigo.siqueira

function u(t) {

for(X=Y=i=3e4;i--;x.fillRect(X*350+700,Y*140+540,t<1,.1))
u=T(X),r=(u*u+Y*Y)**.5,s=S(i*i/t)<.8||-1,X=s*(r+u)/3+S(X),Y=s*(r-u)**.56*(Y<0||-1)

Jun 5 2026 12:57 PM UTC

}// 140/140

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Grasshopper #attractor

u/UEZ

nice
u/joeytwiddle

One of these days rodrigo will create the universe in a single dweet #organic #grasshopper

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46uuuu

function u(t) {

x.font="79px w";
(u+"").slice(109,~1).split("\n")
.map((i,d)=>x.fillText(i,100,300+d*100))
x.fillStyle=R(t*2550%255,t*2550%255,t*2550%255)

Jun 5 2026 11:44 PM UTC

}// 138/140

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#blinking #quine

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seiner

function u(t) {

eval(unescape(escape`景爨挮睩摴桞㴰Ⱪ㴲攴㭩ⴭ㬩甽椯㉥㐬瀽椦ㄬ樽椥㠰ⴴ〬愽甪㌰⭴⨲⭰⨳⸱㐬爽㈳〪匨甪㌮ㄴ⤫樬砮晩汬却祬攽刨椬㤹⩃⡴⤬㈵㔩ⱸ⹦楬汒散琨㤶〫爪䌨愩ⰵ㐰⬨甭⸵⤪㠸〫爪匨愩⼲ⰲⰲ⤠`.replace(/u([^D].)/g,'$1%')))

Jun 5 2026 7:45 AM UTC

}// 134/140

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SockTaters

remix of d/35508 by u/rodrigo.siqueira

function u(t) {

for(X=Y=i=3e4;i--;x.fillRect(X*250+830,Y*99+540,.3,.3))u=X,r=(u*u+Y*Y)**.2,s=S(t)<.9||-.9,X=s*(r+u)/2.8+S(Y),Y=s*(r-u)*t*(Y<0||-.3)

Jun 5 2026 6:45 AM UTC

}// 131/140

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seiner

function u(t) {

eval(unescape(escape`景爨挮睩摴桞㴰Ⱪ㴱攴㭩ⴭ㬩礽椯㈳㔬欽㐪䌨椯㈱⤬攽礯㠭㈰Ɽ㴨欪欫攪攩⨪⸵ⱱ㵓⡹⼱㤩⩫⨨㤫㈪匨攪ㄴⵤ⨳⭴⨲⤩ⱸ⹦楬汒散琨㄰㌰⬨焫㔰⩃⡤⵴⤩⨴ⰵ㈰⬨焪匨搭琩⭤⨳㤭㘷㔩⨴ⰲⰲ⤠`.replace(/u([^D].)/g,'$1%')))

Jun 4 2026 7:16 PM UTC

}// 135/140

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u/aleamb

wow! beautiful #organic

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taupelink

remix of d/35504 by u/taupelink

function u(t) {

eval(unescape(escape`景爨椽稽㄰㠰㭩ⴭ☦琼㠻砮晩汬剥捴⡳⨹㘰⭷Ⱪⱷⱺ⨽㈭匨椯㜰〫稩⤩猽琥㈬愽琯㈫㍼〬砮晩汬却祬攽恨獬⠤筡⨪⡺☽㌩⩡紬⑻ㄲ⩡紥Ⱔ笨稫㴵ⵓ⡩⼳㔰⭺ⵓ⡳⼳⼨愯㠰⴮㠩⨪稩⤩⨪㉽┬⑻⸵⽡絠ⱷ㵡⨳`.replace(/u([^D].)/g,'$1%')))

Jun 6 2026 1:04 AM UTC

}// 140/140

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d/35541 Color blending? Four layers, 2 seconds each

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46uuuu

function u(t) {

a="hen I was at his age, "
document.body.innerText="Riddle: W"+a+" I was good.\n However, w"+a+"my age was 12.\nWhat's his age?"

Jun 5 2026 11:36 PM UTC

}// 128/140

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Riddle

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joeytwiddle

function u(t) {

c.width=67;[...'🫱🫲'].map((c,i)=>x.fillText(c,9+35*i,25+5*S(t*4+i)))

Jun 5 2026 11:28 PM UTC

}// 67/140

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#67 #meme

u/SockTaters

incredible work

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46uuuu

function u(t) {

userFunction = {}

Jun 5 2026 10:43 PM UTC

}// 17/140

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🥰🥲😋🤪🥰😍😋🤪😋😍😋😍😝😍😝😋🥰😍😝🥰😍😝😝😍🥰🥰😝😝🥰😛😝🤪😛🤪😝🤪😝😛😝😛🤩😛😝🤩😛🤪😘😜🤑🤑🤩😜😛😍🤑🤩😚😊😋😚😗😘😍🥰😙😂😍😗😇😂😍😊😇😂😍😇😊😍😂😂😂😊😂😊😂😊😂😊😂😂😊😂😂😂😂😂

u/joeytwiddle

😆 #hack