null - JavaScript | MDN - MDN Web Docs The null value represents the intentional absence of any object value It is one of JavaScript's primitive values and is treated as falsy for boolean operations
A quick and thorough guide to ‘null’: what it is, and how you . . . 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 understand its semantics and implementation, and we need to know how to use null in our source code
Null - definition of null by The Free Dictionary Define null null synonyms, null pronunciation, null translation, English dictionary definition of null adj 1 Having no legal force; invalid: render a contract null and void 2 Of no consequence, effect, or value; insignificant 3 Amounting to nothing;
Null - Wikipedia Null (SQL) (or NULL), a special marker and keyword in SQL indicating that a data value does not exist, is not known, or is missing Null character , the zero-valued ASCII character, also designated by NUL , often used as a terminator, separator or filler