WebGLRenderingContext: isFramebuffer() 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.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

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See also