---
title: bufferSubData
framework: webkitjs
role: symbol
role_heading: Instance Method
path: webkitjs/webgl2renderingcontext/2870978-buffersubdata
---

# bufferSubData

## Declaration

```data
void bufferSubData(
    GLenum target, 
    GLintptr dstByteOffset, 
    BufferDataSource? srcData
);
```