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  1. typeof - JavaScript | MDN - MDN Web Docs

    May 22, 2026 · The typeof operator returns a string indicating the type of the operand's value.

  2. JavaScript typeof - W3Schools

    The typeof Operator The typeof operator returns the data type of a JavaScript variable.

  3. typeof - Wikipedia

    typeof, alternately also typeOf, and TypeOf, is an operator provided by several programming languages to determine the data type of …

  4. JavaScript typeof Operator - W3Schools

    Description The typeof operator returns the data type of a variable, an object, a function or an expression.

  5. JavaScript typeof Operator: How It Works, with Examples

    Jun 23, 2026 · JavaScript typeof returns the type of a value as a string. Learn its results, the typeof null quirk, and how to check …

  6. JavaScript typeof

    In this tutorial, you'll learn how to use the JavaScript typeof operator that returns a string representing the type of a value.

  7. JavaScript TypeOf – How to Check the Type of a Variable or Object …

    Nov 9, 2020 · JavaScript has a special operator called typeof which lets you get the type of any value. In this article, we will learn …

  8. JavaScript Typeof Operator Explained - YouTube

    Jul 17, 2025 · This video explains how the typeof operator works in JavaScript to check data types, why it's useful in a loosely typed …

  9. JavaScript: using typeof to check if string - Stack Overflow

    Here is the answer: (use typeof and then the object name followed by the var in your for statement and test whether it is equal to …

  10. What is the usage of typeof in javascript? - Stack Overflow

    Nov 12, 2015 · typeof is an unary operator that is placed before a single operand which can be of any type. Its value is a string that …