WebGLRenderingContext: lineWidth() method

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.

Note: This feature is available in Web Workers.

The WebGLRenderingContext.lineWidth() method of the WebGL API sets the line width of rasterized lines.

Syntax

lineWidth(width)

width: A GLfloat specifying the width of rasterized lines. Default value: 1.

Setting the line width:

gl.lineWidth(5);

Getting the line width:

gl.getParameter(gl.LINE_WIDTH);

Getting the range of available widths. Returns a Float32Array.

gl.getParameter(gl.ALIASED_LINE_WIDTH_RANGE);

Specification
WebGL Specification # 5.14.3

	desktop					mobile
	Chrome	Edge	Firefox	Opera	Safari	Chrome Android	Firefox for Android	Opera Android	Safari on iOS	Samsung Internet	WebView Android	WebView on iOS
`lineWidth`	Chrome – Full support Chrome 9 (Release date: 2011-02-03) footnote Full support	Edge – Full support Edge 12 (Release date: 2015-07-29) footnote Full support	Firefox – Full support Firefox 4 (Release date: 2011-03-22) footnote Full support	Opera – Full support Opera 12 (Release date: 2012-06-14) footnote Full support	Safari – Full support Safari 5.1 (Release date: 2011-07-20) footnote Full support	Chrome Android – Full support Chrome Android 25 (Release date: 2013-02-27) footnote Full support	Firefox for Android – Full support Firefox for Android 4 (Release date: 2011-03-29) footnote Full support	Opera Android – Full support Opera Android 12 (Release date: 2012-02-25) footnote Full support	Safari on iOS – Full support Safari on iOS 8 (Release date: 2014-09-17) footnote Full support	Samsung Internet – Full support Samsung Internet 1.5 (Release date: 2013-09-25) footnote Full support	WebView Android – Full support WebView Android 4.4.3 (Release date: 2014-06-02) footnote Full support	WebView on iOS – Full support WebView on iOS 8 (Release date: 2014-09-17) footnote Full support

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