WebGLRenderingContext.isProgram()

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

Syntax

GLboolean gl.isProgram(program);

Parameters

program

A WebGLProgram to check.

Return value

A GLboolean indicating whether or not the program is valid.

Examples

Checking a program

var canvas = document.getElementById('canvas');
var gl = canvas.getContext('webgl');
var program = gl.createProgram();

// ...

gl.isProgram(program);

Specifications

Specification
WebGL Specification (WebGL)
# 5.14.9

Browser compatibility

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See also