10 PRINT

10 PRINT CHR$(205.5+RND(1)); : GOTO 10
This famous Commodore 64 BASIC line, that prints a beauiful line PETSCII art. Not just a line of code, but an entire culture and history.

Code

            
    elem=document.querySelector(".example-container");
    setCanvas(elem);
    x = 0;
    y = 0;
    function draw(){

        if(randomBool()){
            new line(x,y,x+40,y+40,'#695fe6',2);
        }
        else{
            new line(x,y+40,x+40,y,'#695fe6',2);
        }

        x+=40;
        if(x>WIDTH){
            x=0;
            y+=40;
        }

        if(y<HEIGHT){                       //stop the illustration when the canvas is filled
            requestAnimationFrame(draw);            
         }
    }
    draw();