2.2.0 / 2015-03-26

Deep property strings can now be escaped using \\ - for example:

var deepCss = { '.link': { '[target]': 42 }};
expect(deepCss).to.have.deep.property('\\.link.\\[target\\]', 42)

Community Contributions

Code Features & Fixes

• #402 Allow escaping of deep
  property keys.
  By @umireon

Documentation fixes

• #405 Tweak documentation around
  deep property escaping.
  By @keithamus