Logical OR (||) - JavaScript | MDN - MDN Web Docs
Mar 13, 2025 · The logical OR (||) (logical disjunction) operator for a set of operands is true if and only if one or more of its operands is true. It is typically used with boolean (logical) values. …
JavaScript Comparison and Logical Operators - W3Schools
Comparison and Logical operators are used to test for true or false. Comparison operators are used in logical statements to determine equality or difference between variables or values. …
OR(||) Logical Operator in JavaScript - GeeksforGeeks
Jun 3, 2024 · The logical OR (||) (logical disjunction) operator for a set of operands is true if and only if one or more of its operands is true. It evaluates two expressions and returns true if at …
javascript - When should I use ?? (nullish coalescing) vs || (logical ...
The OR operator || uses the right value if left is falsy, while the nullish coalescing operator ?? uses the right value if left is null or undefined. These operators are often used to provide a default …
Logical operators - The Modern JavaScript Tutorial
Jun 5, 2022 · There are four logical operators in JavaScript: || (OR), && (AND), ! (NOT), ?? (Nullish Coalescing). Here we cover the first three, the ?? operator is in the next article. …
An Introduction to JavaScript Logical Operators By Examples
In this tutorial, you will learn how to use JavaScript logical operators including logical NOT (!) AND (&&), and OR (|) operators.
JavaScript : Logical Operators - AND OR NOT - w3resource
Aug 19, 2022 · The logical operators used in Javascript are listed below: is true if both a and b are true. is true if either a or b is true. Logical NOT ( ! is true if a is not true. JavaScript Logical …
JavaScript OR (||) variable assignment explanation
The Logical OR operator (||) returns the value of its second operand, if the first one is falsy, otherwise the value of the first operand is returned. For example: "foo" || "bar"; // returns "foo" …
What does OR Operator || in a Statement in JavaScript
Jun 19, 2023 · The logical OR operator || returns the value of the first truthy expression it encounters, or the value of the last expression if both expressions are false. Here are all the …
JavaScript Logical Assignment Operators - JavaScript Tutorial
In this tutorial, you'll learn about JavaScript logical assignment operators, including logical OR assignment operator (||=), logical AND assignment operator (&&=), and nullish assignment …
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