In computer science, a null value represents a reference that points, generally intentionally, to a nonexistent or invalid object or address. The meaning of a null reference varies among language implementations. In JavaScript, null is marked as one of the primitive values, because its behavior is seemingly primitive.
Jan 22, 2024
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Jun 12, 2018 · It means that there is no value associated with name . You can also think of it as the absence of data or simply no data. Note: The actual ...
Apr 27, 2019 · In computer programming, null is both a value and a pointer. Null is a built-in constant that has a value of zero.
Dec 21, 2019 · Null is a built-in constant that has a value of zero. It is the same as the character 0 used to terminate strings in C.
Mar 2, 2012 · A value of NULL indicates the value is unknown. A value of NULL is different from an empty or zero value. No two null values are equal.
Mar 30, 2024 · The null keyword is a literal that represents a null reference, one that does not refer to any object. null is the default value of reference- ...
Feb 25, 2009 · Null is a placeholder that means that no value (append "of the correct type" for a static-typed language) can be assigned to that variable.
Null (SQL) (or NULL), a special marker and keyword in SQL indicating that something has no value · Null character, the zero-valued ASCII character, also ...
Sep 3, 2018 · Null just means that the object is not initialized. It's useful to indicate such a state. If you just force yourself to initialize every object ...
The NULL in this case represents "none of the above" or "other". On such a form, NULL could also mean that one does not wish to answer the question, one does ...