JavaScript Operators Reference - W3Schools
Given that x = 6 and y = 3, the table below explains the logical operators: ?? Bit operators work on 32 bits numbers. Any numeric operand in the operation is converted into a 32 bit number. The …
How the Question Mark (?) Operator Works in JavaScript
Feb 3, 2021 · The conditional or question mark operator, represented by a ?, is one of the most powerful features in JavaScript. The ? operator is used in conditional statements, and when …
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. At a high level, …
What does the !! (double exclamation mark) operator do in ...
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 …
What Is the JavaScript Double Question Marks (??) Operator?
Sep 11, 2023 · You’re about to demystify JavaScript’s double question marks (??), also known as the Nullish Coalescing Operator. It may seem odd, but it’s extremely handy when working with …
JavaScript Operators - W3Schools
JavaScript Comparison Operators Comparison operators are used to compare two values. Comparison operators always return true or false.
JavaScript Question Mark (?) Operator Explained - Built In
Jul 17, 2025 · JavaScript’s question mark operator ? , also known as question — colon or the ternary operator, is used to shorten an if else statement into one line of code. It takes three …