partial.js

// I care about context
foo = obj.bar.bind(obj).partial(1, 2)
foo = obj.bar.bind(obj, 1, 2)

// I don't care about context
foo = bar.partial(1, 2)
foo = bar.bind(null, 1, 2)

// In one case, bind() wins obviously
// In the other case, partial() wins hardly