jQuery 1.8.3, HTML, CSS, JavaScript
No-Library (pure JS), HTML, CSS, JavaScript
Masking content using the `FUNC_REVERSE_SUBTRACT` blend equation.
Relates to: https://www.khronos.org/registry/webgl/sdk/tests/conformance/rendering/point-with-gl-pointcoord-in-fragment-shader.html
No-Library (pure JS), HTML, CSS, Babel + JSX