ctx.lineWidth = ;
ctx.lineCap = ;
ctx.beginPath();
ctx.moveTo(, );
ctx.lineTo(, );
ctx.lineTo(, );
ctx.lineTo(, );
ctx.stroke();
Show the path
Change the lineCap value to see how this affects how the path is drawn on the <canvas>. To highlight the differences, increase the lineWidth and show the path, and then focus on the two ends of the path.