WebGLRenderingContext: isFramebuffer() method

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

Syntax

js
isFramebuffer(framebuffer)

Parameters

Return value

A GLboolean indicating whether or not the frame buffer is valid.

Examples

Checking a frame buffer

js
const canvas = document.getElementById("canvas");
const gl = canvas.getContext("webgl");
const framebuffer = gl.createFramebuffer();

gl.isFramebuffer(framebuffer);

Specifications

Specification
WebGL Specification
# 5.14.6

Browser compatibility

desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
isFramebuffer

See also