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  1. What does the !! (double exclamation mark) operator do in JavaScript?

    What we wish to determine in the comparison is the "truth" about the value of a reference, not the value of the reference itself. There is a use-case where we might want to know the truth about a value, …

  2. Expressions and operators - JavaScript - MDN

    Jul 8, 2025 · This chapter describes JavaScript's expressions and operators, including assignment, comparison, arithmetic, bitwise, logical, string, ternary and more.

  3. JavaScript Tutorial - W3Schools

    W3Schools offers free online tutorials, references and exercises in all the major languages of the web. Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, many more.

  4. AUS JS Industries | High Performance Surfboards; JS Industries

    Check out the JS Industries Australia online surf store! View all the latest JS Surfboard models as well as JS Accessories and Apparel!

  5. JavaScript Operators (with Examples) - Programiz

    JavaScript operators are special symbols that perform operations on one or more operands (values). In this tutorial, you will learn about JavaScript operators with the help of examples.

  6. The Modern JavaScript Tutorial

    2 days ago · Modern JavaScript Tutorial: simple, but detailed explanations with examples and tasks, including: closures, document and events, object oriented programming and more.

  7. JavaScript Tutorial - GeeksforGeeks

    2 days ago · JavaScript is a programming language used to create dynamic content for websites. It is a lightweight, cross-platform, and single-threaded programming language. It's an interpreted language …

  8. JavaScript Tutorial

    JavaScript Tutorial provides you with many practical tutorials that help you learn JavaScript from scratch quickly and effectively.

  9. Learn JavaScript | web.dev

    An in-depth course on the basics of JavaScript.

  10. JavaScript - MDN Web Docs

    May 22, 2026 · JavaScript (JS) is a lightweight interpreted (or just-in-time compiled) programming language with first-class functions. While it is most well-known as the scripting language for Web …