 
          
        
        Generates interesting JS1K logos (in a tweet!). Updated with a more interesting shape, and decoupled the position from the shape (I could spare the bytes).
with(document.body.children[i=0].getContext("2d"))for(translate(40,40);i++<44;rotate(39)){fillText("JS1K",9,4);fillStyle="rgba(0,0,0,0.13)"}d2l0aChkb2N1bWVudC5ib2R5LmNoaWxkcmVuW2k9MF0uZ2V0Q29udGV4dCgiMmQiKSlmb3IodHJhbnNsYXRlKDQwLDQwKTtpKys8NDQ7cm90YXRlKDM5KSl7ZmlsbFRleHQoIkpTMUsiLDksNCk7ZmlsbFN0eWxlPSJyZ2JhKDAsMCwwLDAuMTMpIn0=with(document.body.children[i=0].getContext("2d")){
	//Abused the for loop to save two semicolon characters
	for(translate(40,40);i++<44;rotate(39)){
		fillText("JS1K", 9, 4);
		fillStyle="rgba(0,0,0,0.13)";
	}
}