WebGLRenderingContext: isRenderbuffer() 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.isRenderbuffer() method of the WebGL API returns true if the passed WebGLRenderbuffer is valid and false otherwise.

Syntax

js
isRenderbuffer(renderbuffer)

Parameters

renderbuffer

A WebGLRenderbuffer to check.

Return value

A GLboolean indicating whether or not the renderbuffer is valid.

Examples

Checking a renderbuffer

js
const canvas = document.getElementById("canvas");
const gl = canvas.getContext("webgl");
const renderbuffer = gl.createRenderbuffer();

gl.isRenderbuffer(renderbuffer);

Specifications

Specification
WebGL Specification
# 5.14.7

Browser compatibility

desktop mobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
isRenderbuffer
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

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support

See also