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