TypeError: null has no properties TypeError: undefined has no properties
Both, null
and undefined
, have no properties you could access.
null.foo; // TypeError: null has no properties undefined.bar; // TypeError: undefined has no properties
© 2005–2017 Mozilla Developer Network and individual contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/No_properties