---
title: "WebGLShader | JavaScript maps SDK"
description: "Documentation for MapTiler SDK"
---

> For AI agents: a documentation index is available at [/llms.txt](https://docs.maptiler.com/llms.txt). Markdown versions of all pages are available by appending .md to any URL.

# Interface WebGLShader

The **`WebGLShader`** is part of the WebGL API and can either be a vertex or a fragment shader. A WebGLProgram requires both types of shaders.

[MDN Reference](https://developer.mozilla.org/docs/Web/API/WebGLShader)