---
title: stencilOp
framework: webkitjs
role: symbol
role_heading: Instance Method
path: webkitjs/webglrenderingcontextbase/1632360-stencilop
---

# stencilOp

## Declaration

```data
void stencilOp(
    GLenum fail, 
    GLenum zfail, 
    GLenum zpass
);
```