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+## fractiform
+
+online shader thingamabob
+
+### JS features
+
+i have been pretty liberal about using modern javascript;
+even though this could in theory run on IE it doesn't
+(in particular it is very nice to have template literals).
+that said, try to only use features that have at least as much
+support as webgl2 (i.e. >94%).
+
+no, i do not want to use a "poly-fill".
+
+we use webgl2 (and consequently GLSL ES 3.00) because:
+- having non-constant loops in shaders is nice
+- there aren't that many browsers that support webgl and ES6 but not webgl2 (looking at caniuse.com, they probably
+  make up around 2% of browser usage)