So !! is not an operator; it's just the ! operator twice. It is generally simpler to do: Real World Example "Test IE version": console.log(isIE8); // Returns true or false. If you ⇒. // Returns …

JavaScript Logical Operators Logical operators are used to determine the logic between variables or values. Given that x = 6 and y = 3, the table below explains the logical operators:

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

Aug 5, 2025 · Objects in JavaScript are collections of key-value pairs used to store related data. They work by reference, meaning changes to the reference affect the original object.

Jun 27, 2023 · JavaScript operators are special symbols that perform operations on variables and values, crucial for calculations and data manipulation. Arithmetic operators include +, -, *, and …

Operators Operators are the symbols between values that allow different operations like addition, subtraction, multiplication, and more. JavaScript has dozens of operators, so let’s focus on the …

JavaScript includes operators same as other languages. An operator performs some operation on single or multiple operands (data value) and produces a result. For example, in 1 + 2, the + …

Arithmetic operators in programming perform mathematical operations on variables, producing results like addition, subtraction, multiplication, division, or modulus. Addition (+): It does what …

W3Schools maintains a complete JavaScript reference, including all HTML and browser objects. The reference contains examples for all properties, methods and events, and is continuously …

Oct 2, 2025 · 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 …