WebGLRenderingContext.isRenderbuffer()

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

Syntax

GLboolean gl.isRenderbuffer(renderbuffer);

Parameters

renderbuffer
A WebGLRenderbuffer to check.

Return value

A GLboolean indicating whether or not the renderbuffer is valid.

Examples

Checking a renderbuffer

var canvas = document.getElementById('canvas');
var gl = canvas.getContext('webgl');
var renderbuffer = gl.createRenderbuffer();

gl.isRenderbuffer(renderbuffer);

Specifications

Specification Status Comment
WebGL 1.0
The definition of 'isRenderbuffer' in that specification.
Recommendation Initial definition.
OpenGL ES 2.0
The definition of 'glIsRenderbuffer' in that specification.
Standard Man page of the OpenGL API.

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
isRenderbufferChrome Full support 9Edge Full support 12Firefox Full support 4IE Full support 11Opera Full support 12Safari Full support 5.1WebView Android Full support YesChrome Android Full support 25Firefox Android Full support YesOpera Android Full support 12Safari iOS Full support 8.1Samsung Internet Android Full support Yes

Legend

Full support  
Full support

See also