What's the difference between & and && in JavaScript?
&& short-circuiting As can be seen from above, as soon as you find one that term is false-y, you needn't to care about the following terms. This allows Javascript to stop evaluation altogether. This is called …
JavaScript Logical Operators - W3Schools
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:
Logical AND (&&) - JavaScript - MDN
Jul 8, 2025 · The logical AND (&&) (logical conjunction) operator for a set of boolean operands will be true if and only if all the operands are true. Otherwise it will be false. More generally, the operator …
Difference Between && and || Operators in javaScript
Aug 5, 2025 · The && and || operators are powerful tools in JavaScript for controlling the flow of logic in the code. Understanding their differences and characteristics allows to use them effectively in the …
Mastering the JavaScript AND Operator: Logical vs Bitwise
Jul 2, 2025 · Learn how JavaScript’s logical (&&) and bitwise (&) AND operators work, with examples, tips, and best practices for cleaner, bug-free code.
JavaScript Logical AND Operator - W3Schools
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Expressions and operators - JavaScript - MDN
Jul 8, 2025 · Strings are compared based on standard lexicographical ordering, using Unicode values. In most cases, if the two operands are not of the same type, JavaScript attempts to convert them to an …
Expressions and operators - JavaScript | MDN - MDN Web Docs
Jul 8, 2025 · This chapter documents all the JavaScript language operators, expressions and keywords.
Comparisons - The Modern JavaScript Tutorial
Nov 12, 2025 · In this article we’ll learn more about different types of comparisons, how JavaScript makes them, including important peculiarities. At the end you’ll find a good recipe to avoid …
Difference Between =, ==, and === in JavaScript [Examples] - Guru99
Nov 22, 2024 · What is === in JavaScript? === (Triple equals) is a strict equality comparison operator in JavaScript, which returns false for the values which are not of a similar type.