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HTML canvas lineCap Property

HTML Canvas Reference

Example

Draw a line with rounded end caps:

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();

Try it yourself »

Browser Support

Internet Explorer 9, Firefox, Opera, Chrome, and Safari support the lineCap property.

Note: Internet Explorer 8 and earlier versions, do not support the <canvas> element.

Definition and Usage

The lineCap property sets or returns the style of the end caps for a line.

Note: The value "round" and "square" make the lines slightly longer.

Default value:	butt
JavaScript syntax:	context.lineCap="butt\|round\|square";

Property Values

Value	Description	Play it
butt	Default. A flat edge is added to each end of the line	Play it »
round	A rounded end cap is added to each end of the line	Play it »
square	A square end cap is added to each end of the line	Play it »