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WebGLRenderingContext: isShader() method

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

Syntax

js

isShader(shader)

Parameters

shader

A WebGLShader to check.

Return value

A GLboolean indicating whether or not the shader is valid.

Examples

Checking a shader

js

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

// …

gl.isShader(shader);

Specifications

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
isShader 9 12 4 11 12 5.1 4.4.3 25 4 12 8 1.5

See also

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https://developer.mozilla.org/en-US/docs/Web/API/WebGLRenderingContext/isShader