News for hackers. Stuff that matters.

A comment on Null Values in SQL Queries. Parent comment

Re:Null Values in SQL Queries by giornogiovanna on Monday February 03, 2020 @11:52AM (#22225975)
Ah, right, my bad.

In my defense, JavaScript treats a value of `undefined` differently from an unset field / variable (e.g. when testing `object.hasOwnProperty('field')`).

[ Parent | on HN ]
Re:Null Values in SQL Queries by tabtab on Monday February 03, 2020 @12:57PM (#22226875)
JavaScript has too many "non-visible" value types in my opinion. This makes for both messy code and messy debugging.
[ Parent | on HN ]