chaijs/chai 2.0.0 on GitHub

Unfortunately with 1.10.0 - compatibility broke with older versions because of
the addChainableNoop. This change has been reverted.

Any plugins using addChainableNoop should cease to do so.

Any developers wishing for this behaviour can use dirty-chai
by @joshperry

#361 .keys() now accepts Objects, extracting keys from them. By @gregglind
#359 .keys() no longer mutates passed arrays. By @gregglind
#349 Add a new chainable keyword - .which. By @toastynerd
#333 Add .change, .increase and .decrease assertions. By @cmpolis
#335 chai.util is now exposed @DingoEatingFuzz
#328 Add .includes and .contains aliases (for .include and .contain). By @lo1tuma
#313 Add .any.keys() and .all.keys() qualifiers. By @cjqed
#312 Add assert.sameDeepMembers(). By @cjqed
#311 Add assert.isAbove() and assert.isBelow(). By @cjqed
#308 property and deep.property now pass if a value is set to undefined. By @prodatakey
#309 optimize deep equal in Arrays. By @ericdouglas
#306 revert #297 - allowing lint-friendly tests. By @keithamus

chaijs/chai 2.0.0 2.0.0 / 2015-02-09 on GitHub