A real-world use case of currying in JavaScript: jqMath [1] from mathscribe.com, a lightweight alternative to jsMath (which is succeeded by MathJax). jqMath utilizes its own jsCurry library [2], and both are released under MIT license.
[1]:
http://www.mathscribe.com/author/jqmath.html
http://www.mathscribe.com/mathscribe/jqmath-0.4.3.js
[2]:
http://www.mathscribe.com/mathscribe/jscurry-0.4.0.js
http://www.mathscribe.com/mathscribe/jscurry-documentation.t...