Oct 28, 2025 · JavaScript is unique to have two nullish values: null and undefined. Semantically, their difference is very minor: undefined represents the absence of a value, while null represents the …

Null often pops up in legal and scientific contexts; it was originally used in Scottish law and still carries the meaning "having no legal or binding force," especially in the phrase "null and void."

NULL definition: 1. having no legal force: 2. with no value or effect: 3. (of a set or matrix) containing nothing…. Learn more.

NULL definition: without value, effect, consequence, or significance. See examples of null used in a sentence.

Null character, the zero-valued ASCII character, also designated by NUL, often used as a terminator, separator or filler. This symbol has no visual representation.

null (nʌl) adj 1. without legal force; invalid; (esp in the phrase null and void) 2. without value or consequence; useless

In this comprehensive guide, targeted at both novice and seasoned coders, we will unpack the enigma that is null. The aim is to develop an intuitive understanding of what null is, how it works, when and …