https://developer.mozilla.org/en-US/docs/Web/API/WebGLRenderingContext/getShaderSource
WebGLRenderingContext: getShaderSource() method - Web APIs | MDN
The WebGLRenderingContext.getShaderSource() method of the WebGL API returns the source code of a WebGLShader as a string.
web apismethodmdn
https://caniuse.com/mdn-api_webglrenderingcontext_vertexattrib4fv_value_param_accepts_sharedarraybuffer
WebGLRenderingContext API: vertexAttrib4fv: `value` parameter accepts `SharedArrayBuffer` type |...
"Can I use" provides up-to-date browser support tables for support of front-end web technologies on desktop and mobile web browsers.
apivalueparameteracceptssharedarraybuffer