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 …

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

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."

The null hypothesis and the alternative hypothesis are types of conjectures used in statistical tests to make statistical inferences, which are formal methods of reaching conclusions and …

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

5 days ago · This post introduces the null-conditional assignment operator, a new feature of C# 14 that allows you to write clean and terse code.

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 …

2 days ago · With C# 6, we got null-conditional operators (?. and ?[]), letting us chain through potentially null objects without writing novels. C# 7 gave us pattern matching with is null …

Sep 7, 2025 · The concept of null and its significance in computing with our comprehensive definition, examples, and explanations. Learn how null differs from zero and empty.

Jan 23, 2025 · null is an intentionally empty value, often used to indicate that something has no value at the moment. undefined means that a variable has been declared but hasn’t been …