Of undefined | npm.io

Safe navigation of objects (avoid null pointer exceptions / avoid TypeError cannot access property 'x' of undefined)

null pointer exception never null nn TypeError cannot access property TypeError cannot access property of undefined of undefined safe navigation existential operator elvis operator optional chaining

1.3.0 • Published 7 years ago

make sure the data type is what you want.

valid validly is not a function Cannot read property of undefined

1.1.0 • Published 5 years ago