dpk/hashcash.js — pull request #2 by cyisfor (2014-10-12 21:23:21+00:00)
Title: More efficient and reliable result presentation

get...ById(...).innertext = ... wasn't working for me. Getting the div
beforehand, assuring it has a single (text) child, then assigning the
nodeValue of that child should be more efficient, and a bit more future
proof.