WebGLRenderingContext.isShader()
The WebGLRenderingContext.isShader() method of the WebGL API returns true if the
passed WebGLShader is valid, false otherwise.
Syntax
GLboolean gl.isShader(shader);
Parameters
- shader
-
A
WebGLShaderto check.
Return value
A GLboolean indicating whether or not the shader is valid.
Examples
Checking a shader
var canvas = document.getElementById('canvas');
var gl = canvas.getContext('webgl');
var shader = gl.createShader(gl.VERTEX_SHADER);
// ...
gl.isShader(shader);
Specifications
| Specification |
|---|
| WebGL Specification # 5.14.9 |
Browser compatibility
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