History of Warning: unreachable code after return statement Revision history for: English (US) May 17, 2016, 6:43:46 AM fscholz Avoid assertion tone as the error might not be the reader's fault Previous Mar 11, 2016, 5:16:17 AM fscholz add some tags, clear review flags. @rolfedh: no headline-style capitalization: MDN/Contribute/Guidelines/Writing_style_guide#Title_and_heading_capitalization Previous Mar 11, 2016, 5:04:27 AM rolfedh Editorial review: Removed a false conditional. Previous Mar 10, 2016, 3:04:52 PM jorendorff-moz Mar 10, 2016, 2:59:10 PM clarkbdubya