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  1. JavaScript Booleans - W3Schools

    You can use the Boolean() function to find out if an expression (or a variable) is true: Or even easier: The chapter JS Comparisons gives a full overview of comparison operators. The …

  2. Declaring a boolean in JavaScript using just var - Stack Overflow

    Mar 26, 2013 · It is possible to do. You can also pass the non boolean variable into the new Boolean() and it will make IsLoggedIn boolean. Don't use new Boolean (); IsLoggedIn will …

  3. Boolean - JavaScript | MDN - MDN Web Docs

    Mar 6, 2025 · Boolean values can be one of two values: true or false, representing the truth value of a logical proposition. Boolean values are typically produced by relational operators, equality …

  4. JavaScript Boolean - GeeksforGeeks

    Dec 11, 2024 · To represent logical values, JavaScript uses the Boolean data type, which has two possible values: true or false. These values often result from comparisons or logical …

  5. How to Declare a Boolean Variable in JavaScript - Delft Stack

    Feb 2, 2024 · This tutorial article explains how you can declare a Boolean variable in JavaScript.

  6. Understanding JavaScript Boolean Variables: A Beginner's Guide

    Mar 17, 2025 · You can declare a boolean variable in JavaScript using the let or const keyword followed by the variable name and the initial boolean value: javascript let isActive = true; const …

  7. Declare a Boolean in JavaScript - Online Tutorials Library

    Learn how to declare a boolean in JavaScript with this comprehensive guide. Understand the syntax and usage of boolean values. Learn to declare and utilize boolean values in your …

  8. JavaScript Boolean variable | Basics - EyeHunts

    Jun 2, 2022 · Use var let or const keyword to create a Boolean variable in JavaScript. A boolean variable is used to identify whether a condition is true or false. Accordingly, boolean values …

  9. How to Write Boolean Variables in JavaScript | Nick McCullum

    In this lesson, you learned how to write boolean values in JavaScript. Here is a summary of the topics we covered: The two values that can be assigned to a boolean variable; Comparison …

  10. JavaScript Booleans: Working with True/False Values

    Aug 21, 2024 · Boolean literals are the simplest form of booleans. You create them by directly assigning true or false to a variable: let isLoggedIn = false; These are primitive values, and …

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