WebGLRenderingContext.isShader()

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

SyntaxEdit

GLboolean gl.isShader(shader);

Parameters

shader

A WebGLShader to check.

Return value

A GLboolean indicating whether or not the shader is valid.

ExamplesEdit

Checking a shader

var canvas = document.getElementById("canvas");
var gl = canvas.getContext("webgl");
var shader = gl.createShader(gl.VERTEX_SHADER);

// ...

gl.isShader(shader);

SpecificationsEdit

Browser compatibilityEdit

See alsoEdit

• WebGLRenderingContext.createShader()
• WebGLRenderingContext.deleteShader()