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www.merriam-webster.com
NULL Definition & Meaning - Merriam-Webster
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."
developer.mozilla.org
null - JavaScript | MDN
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 absence of an object.
dictionary.cambridge.org
NULL | English meaning - Cambridge Dictionary
NULL definition: 1. having no legal force: 2. with no value or effect: 3. (of a set or matrix) containing nothing…. Learn more.
en.wikipedia.org
Null - Wikipedia
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.
www.freecodecamp.org
A quick and thorough guide to ‘null’: what it is, and how you...
Jun 12, 2018 · null is a fundamental concept in many programming languages. It is ubiquitous in all kinds of source code written in these languages. So it is essential to fully grasp the idea of null . We have to unde...
stackoverflow.com
c# - What does null! statement mean? - Stack Overflow
Feb 16, 2019 · The key to understanding what null! means is understanding the ! operator. You may have used it before as the "not" operator. However, since C# 8.0 and its new "nullable-reference-types" feature, the op...
www.computerhope.com
What Is Null? - Computer Hope
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.
www.dictionary.com
NULL Definition & Meaning | Dictionary.com
NULL definition: without value, effect, consequence, or significance. See examples of null used in a sentence.
www.thefreedictionary.com
Null - definition of null by The Free Dictionary
null (nʌl) adj 1. without legal force; invalid; (esp in the phrase null and void) 2. without value or consequence; useless
www.w3schools.com
SQL NULL Values - IS NULL and IS NOT NULL - W3Schools
A NULL value represents an unknown, missing, or inapplicable data in a database field. It is not a value itself, but a placeholder to indicate the absence of data.