Canvas lineCap attribute
Definition and usage
lineCap Set or return the style of the line cap at the end of the line.
Note:"round" and "square" will make the line slightly longer.
Example
Draw the end line cap of the circle:
JavaScript:
var c=document.getElementById("myCanvas");
var ctx=c.getContext("2d");
ctx.beginPath();
ctx.lineCap="round";
ctx.moveTo(20,20);
ctx.lineTo(20,200);
ctx.stroke();
Syntax
context.lineCap="butt|round|square";
Attribute value
| Value | Description |
|---|---|
| butt | Default. Add straight edges to each end of the line. |
| round | Add circular line caps to each end of the line. |
| square | Add square line caps to each end of the line. |
Technical Details
| Default Value: | butt |
|---|
Browser Support
The numbers in the table indicate the first browser version that fully supports this property.
| Chrome | Edge | Firefox | Safari | Opera |
|---|---|---|---|---|
| Chrome | Edge | Firefox | Safari | Opera |
| 4.0 | 9.0 | 3.6 | 4.0 | 10.1 |
Note:Internet Explorer 8 and earlier versions do not support the <canvas> element.
