Dweets awesomed by u/46uuuu

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.

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Current theme challenge: #Food

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46uuuu

function u(t) {

s=".".repeat(b=2999).replace(/./g,_=>String.fromCharCode(Math.random()*b))
onclick=_=>u=!u
userFunction=_=>{if(u)throw s}

Jun 25 2026 7:30 PM UTC

}// 121/140

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click on canvas to toggle #interactive

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46uuuu

function u(t) {

k=`j 3 = for & ! 3 := 2`
eval(k[a="replace"](/j/g,"let")[a](/3/g,"test")[a](/ & /g,`;
`)[a](/for/g,4)[a](/:=/g,"/=")[a](/!/g,"throw"))

Jun 19 2026 7:37 PM UTC

}// 134/140

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wierd js (interper)

u/joeytwiddle

Very weird. (Replace eval with throw to see what is generated.)
u/joeytwiddle

But I see potential here for a useful mini language. What if R performed fillRect or L performed lineTo? Could you draw something?

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46uuuu

function u(t) {

a=(Math[([]+!!1)[1]+([]+![])[1]+([]+[][[]])[1]+([]+[][[]])[2]+"om"]()*100|0)+1
userFunction=_=>{throw'Comment number '+a+' below, i beg 🤬'}

Jun 19 2026 1:31 AM UTC

}// 139/140

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u/joeytwiddle

// number 21

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46uuuu

function u(t) {

x.fillRect(t**=t,t,t,t)

Jun 19 2026 1:26 AM UTC

}// 23/140

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Stairs (extreme 23 byte)

u/SockTaters

d/32731

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46uuuu

function u(t) {

l=3
l-=0
throw l?l-1?l-2?l-3?"Invalid level":8e250:6e35:4e8:1

Jun 19 2026 1:15 AM UTC

}// 61/140

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change level (l)

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46uuuu

function u(t) {

throw code.split("").reverse().join("")

Jun 19 2026 12:27 AM UTC

}// 39/140

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u/joeytwiddle

#eniuq

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46uuuu

remix of d/9736 by u/line-o

function u(t) {

for(i=300+t;i>t;i--)_=i%30,y=i/30,x.fillStyle=`hsl(${t*99},${t%10+10}%,${S(t)*10+80}%)`,x.fillRect(_*t,y*t,8*y*y%1,10/_)

Jun 18 2026 5:47 PM UTC

}// 120/140

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15 bytes saved

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taupelink

remix of d/35647 by u/taupelink

function u(t) {

for(i=z=2e3;i--;x.fillRect(i,t*174,z/=.8-C(i/166+t*z)/10,9))x.fillStyle=R(r=32+(z>>=2)*++z*6,r*=(q=.7+z%.8),r*q,.5),z+=4-6*C(i/122-z)*S(t*2)

Jun 18 2026 3:53 AM UTC

}// 140/140

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d/35654 👀

u/taupelink

Not planned. A glowing O appeared while I was aimlessly fiddling with the numbers. Then I cleaned up the image a little, zoomed out to make it a bunch of O's, and brought out the blue highlights.
u/rep_movsd

Robot eye factory

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46uuuu

function u(t) {

c.width=4
for(i=0;i<9;i++)
x.fillRect(0.8+i*0.2+S(t)*0.7,0.8,0.1,0.4)

Jun 17 2026 9:06 PM UTC

}// 69/140

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46uuuu

function u(t) {

throw[":)",":(",":|",":/",":\\",":`(",";)",";(","dwitter"][0|Math.random()*9]

Jun 17 2026 9:01 PM UTC

}// 77/140

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