WebGLRenderingContext: isProgram() method

Note: This feature is available in Web Workers.

The WebGLRenderingContext.isProgram() method of the WebGL API returns true if the passed WebGLProgram is valid, false otherwise.

Syntax

isProgram(program)

Parameters

program: A WebGLProgram to check.

Return value

A GLboolean indicating whether or not the program is valid.

Examples

undefined

Checking a program

const canvas = document.getElementById("canvas");
const gl = canvas.getContext("webgl");
const program = gl.createProgram();

// …

gl.isProgram(program);

Specifications

WebGL Specification