Logical operators can be used to modify the results of comparisons. Typically, you will use a comparison operator to check a condition, and a logical operator to combine conditions into more complex logic.

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

Jul 28, 2025 · Logical operators in JavaScript are used to perform logical operations on values and return either true or false. These operators are commonly used in decision-making statements like if …

Jun 5, 2022 · Here we cover the first three, the ?? operator is in the next article. Although they are called “logical”, they can be applied to values of any type, not only boolean.

Jul 11, 2025 · Learn JavaScript logical operators (&&, ||, !) with real-world examples, truthy/falsy logic, and practical usage in conditions. Tagged with javascript, webdev, programming, beginners.

In this tutorial, you will learn how to use JavaScript logical operators including logical NOT (!) AND (&&), and OR (|) operators.

When comparing a string with a number, JavaScript will convert the string to a number when doing the comparison. An empty string converts to 0. A non-numeric string converts to NaN which is always …

Nov 29, 2023 · These examples illustrate how logical operators are employed within if, else, and else if statements to control the flow of a JavaScript program based on specific conditions.

Nov 17, 2025 · Learn the use of logical operators in JavaScript, including AND, OR, NOT, and Nullish coalescing. See practical examples, truth tables, and real-world use cases.

Logical operators are typically used with Boolean (logical) values. When they are, they return a Boolean value. However, the && and || operators actually return the value of one of the specified operands, so …