homework/work in class/Canvas/main.js

let ctx = canvas.getContext("2d");
ctx.beginPath();
ctx.arc(50, 50, 50, Math.PI/6, -Math.PI/6, false);
ctx.lineTo(50, 50);
ctx.closePath();
ctx.strokeStyle = 'black';
ctx.fillStyle = "green";
ctx.fill();
ctx.stroke();

ctx.beginPath();
ctx.arc(57, 25, 5, 0, 2 * Math.PI);
ctx.fillStyle = "black";
ctx.fill();
ctx.stroke();

function drawCircle(e){
    ctx.beginPath();
    ctx.arc(e.layerX, e.layerY, 5, 0, 2 * Math.PI, false);
    ctx.fillStyle ="yellow";
    ctx.fill()  
    ctx.stroke();
}

canvas.addEventListener("click", drawCircle);