https://stackoverflow.com › questions › 801032
javascript - Why is null an object and what's the difference between ...typeof null returns object, and not null, despite null being a type of its own. To understand why, consider that the set of all JavaScript types is divided into two groups: objects (i.e. the Object type) primitives (i.e. any non-object value) As such, null means “no object value”, whereas undefined means “no value”.
https://stackoverflow.com › questions › 18808226
javascript - Why is typeof null "object"? - Stack Overflowtypeof null === 'object'; Short Answer: This is a bug since the first release of ECMAScript which unfortunately can’t be fixed because it would break the existing code. Explanation: However, there is actually one logical explanation behind why null is an object in javascript.
https://dev.to › _ravo_lution › why-typeof-null-is-object-181
Why typeof(null) is "object"? - DEV Communitynull (JSVAL_NULL) was the machine code NULL pointer. Or: an object type tag plus a reference that is zero. **Let's look at the classic JavaScript Source code used in the '96 in SpiderMonkey courtesy: @evilpies: https://twitter.com/evilpies/.
https://developer.mozilla.org › en-US › docs › Web › JavaScript › Reference › Operators › null
null - JavaScript | MDN - MDN Web DocsThe 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.
https://dmitripavlutin.com › javascript-null
Everything about null in JavaScript - Dmitri Pavlutin BlogIn this post, you'll learn everything about null in JavaScript: its meaning, how to detect it, the difference between null and undefined, and why using null extensively creates code maintenance difficulties.
https://codeutopia.net › blog › 2009 › 09 › 12 › what-is-a-null-object-and-when-are-they-useful
What is a null object, and when are they useful? | CodeUtopiaContrary to what it may sound like, a null object is not simply a variable such as Object myVar = null – it’s an actual object instance, but it represents an “empty” value. What an empty or null value means depends much on the context.
https://medium.com › hacktive-devs › null-is-not-an-object-8faa6d8d0257
Null is not an Object - MediumIn Js, null is not an identifier for a property of the global object, like undefined can be. Instead, null expresses a lack of identification, indicating that a variable points to no object.
https://www.freecodecamp.org › news › a-quick-and-thorough-guide-to-null-what-it-is-and...
A quick and thorough guide to ‘null’: what it is, and how you should use itThe basic rule is simple: null should only be allowed when it makes sense for an object reference to have 'no value associated with it'. (Note: an object reference can be a variable, constant, property (class field), input/output argument, and so on.)
https://flexiple.com › javascript › undefined-vs-null-javascript
Undefined vs Null - Javascript - FlexipleJavaScript. Undefined vs Null in Javascript. Pooja Hariharan. Software Developer. Published on Thu Mar 10 2022. In JavaScript, there are two special types of values – undefined and null. It is crucial for a beginner to understand the differences between them (null and undefined) and when to use what.
https://www.javascripttutorial.net › object › javascript-null
An Essential Guide to JavaScript null - JavaScript TutorialJavaScript null is a primitive type that contains a special value null. JavaScript uses the null value to represent the intentional absence of any object value. If you find a variable or a function that returns null, it means that the expected object couldn’t be created.
