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  1. Mozilla Developer
    https://developer.mozilla.org › en-US › docs › Web › JavaScript › Reference › Operators › typeof

    typeof - JavaScript | MDN - MDN Web Docs

    • Learn how to use the typeof operator to return a string indicating the type of its operand, such as "number", "string", or "object". See examples, syntax, and exceptions for undefined, null, and document.all.… See more

    Description

    The following table summarizes the possible return values of typeof. For more information … See more

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    Examples

    Basic usage typeof null
    In the first implementation of JavaScript, JavaScript values were represented as a type tag and a value. The type tag for objects wa… See more

    Mozilla Developer
    JavaScript TypeOf – How to Check the Type of a Variable or Object in JS
    FreeCodecamp
    JavaScript typeof - W3Schools
    W3School
    JavaScript TypeOf – How to Check the Type of a Variable or Object i…
    FreeCodecamp
    c# - Type Checking: typeof, GetType, or is? - Stack Overflow
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  1. W3School
    https://www.w3schools.com › JS › js_typeof.asp

    JavaScript typeof - W3Schools

  2. Roblox Developer Forum
    https://devforum.roblox.com › understan…

    Understanding the typeof () function in Roblox

    Feb 7, 2023 · What is the typeof () function in Roblox and what is it useful for? To kick off, typeof() is a very special function made by Roblox which returns a specified datatype as a string. print(typeof(1)) -- Prints out datatype number. …

  3. FreeCodecamp
    https://www.freecodecamp.org › news › j…

    JavaScript TypeOf – How to Check the Type of a …

    Nov 9, 2020 · Learn how to use the typeof operator to get the type of any value in JavaScript, and the common gotchas and limitations of this operator. Also, explore better ways to do type checking with instanceof, …

  4. Stack Overflow
    https://stackoverflow.com › questions

    c# - Type Checking: typeof, GetType, or is? - Stack Overflow

    javascript - What is the difference between typeof and instanceof and ...
    JavaScript: using typeof to check if string
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  5. Wikipedia
    https://en.wikipedia.org › wiki › Typeof

    typeof - Wikipedia

  6. People also ask
    What is typeof in JavaScript?
    An expression representing the object or primitive whose type is to be returned. The following table summarizes the possible return values of typeof. For more information about types and primitives, see also the JavaScript data structure page. This list of values is exhaustive.

    typeof - JavaScript | MDN - MDN Web Docs

    developer.mozilla.org
    What does typeof mean in programming?
    typeof, alternately also typeOf, and TypeOf, is an operator provided by several programming languages to determine the data type of a variable. This is useful when constructing programs that must accept multiple types of data without explicitly specifying the type.

    typeof - Wikipedia

    en.wikipedia.org
    What is typeof in VB NET?
    The TypeOf keyword in VB.NET is used to compare an object reference variable to a data type. The following example uses TypeOf...Is expressions to test the type compatibility of two object reference variables with various data types. Dim refInteger As Object = 2 MsgBox("TypeOf Object[Integer] Is Integer?

    typeof - Wikipedia

    en.wikipedia.org
    What is a typeof operator?
    In languages that support polymorphism and type casting, the typeof operator may have one of two distinct meanings when applied to an object. In some languages, such as Visual Basic, the typeof operator returns the dynamic type of the object. That is, it returns the true, original type of the object, irrespective of any type casting.

    typeof - Wikipedia

    en.wikipedia.org
    When should I use typeof and gettype?
    Use typeof when you want to get the type at compilation time. Use GetType when you want to get the type at execution time. There are rarely any cases to use is as it does a cast and, in most cases, you end up casting the variable anyway.

    c# - Type Checking: typeof, GetType, or is? - Stack Overflow

    stackoverflow.com
    What does typeof mean in C?
    These languages usually have other constructs for obtaining run-time type information, such as typeid. In a non-standard (GNU) extension of the C programming language, typeof may be used to define a general macro for determining the maximum value of two parameters: In C#: // Given an object, returns if it is an integer.

    typeof - Wikipedia

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  7. neocities.org
    https://svmod.neocities.org › ... › Operat…

    typeof

    The typeof operator returns a string indicating the type of the unevaluated operand.. Syntax. The typeof operator is followed by its operand:. typeof operand Parameters. operand is an expression representing the object or primitive …

  8. Microsoft Learn
    https://learn.microsoft.com › ... › typeof-operator

    TypeOf Operator - Visual Basic | Microsoft Learn

  9. microsoft.com
    https://learn.microsoft.com › en-us › cpp › c-language › typeof-c

    typeof, __typeof__ (C23) | Microsoft Learn

  10. mozilla.org
    https://developer.mozilla.org › ... › Operators › typeof

    typeof - JavaScript | MDN - MDN Web Docs