lineJoin Property - Javascript Canvas Reference

Javascript examples for Canvas Reference:lineJoin


The lineJoin property sets or gets the type of corner created, when two lines meet.

The Default value is miter.

JavaScript syntax

context.lineJoin = "bevel|round|miter";

Property Values

Value Description
bevel Creates a beveled corner
round Creates a rounded corner
miter Default. Creates a sharp corner


The following code shows how to create a rounded corner when the two lines meet:

Demo Code

ResultView the demo in separate window

<!DOCTYPE html>

<canvas id="myCanvas" width="300" height="250" style="border:1px solid #d3d3d3;">
Your browser does not support the HTML5 canvas tag.</canvas>


var c = document.getElementById("myCanvas");
var ctx = c.getContext("2d");
ctx.beginPath();//  w w  w .  ja v a  2  s.  c o  m
ctx.lineWidth = 10;
ctx.lineJoin = "round";
ctx.moveTo(20, 20);
ctx.lineTo(100, 50);
ctx.lineTo(20, 100);



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