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HTML canvas lineWidth Property

❮ HTML Canvas Reference


Draw a rectangle with a line width of 10 pixels:



var c = document.getElementById("myCanvas");
var ctx = c.getContext("2d");
ctx.lineWidth = 10;
ctx.strokeRect(20, 20, 80, 100);
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Browser Support

The numbers in the table specify the first browser version that fully supports the property.

lineWidth Yes 9.0 Yes Yes Yes

Definition and Usage

The lineWidth property sets or returns the current line width, in pixels.

Default value: 1
JavaScript syntax: context.lineWidth=number;

Property Values

Value Description Play it
number The current line width, in pixels Play it »

❮ HTML Canvas Reference