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Learn how to use comparison and logical operators to test for true or false in JavaScript. See examples of equality, inequality, conditional, nullish, and optional chaining operators.
5 Ιουν 2022 · Logical operators. 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. Although they are called “logical”, they can be applied to values of any type, not only boolean. Their result can also be of any type. Let’s see the details.
28 Οκτ 2024 · Learn about JavaScript's expressions and operators, including assignment, comparison, arithmetic, bitwise, logical, string, ternary and more. Find out how to use logical operators &&, ||, and ! to test conditions and combine expressions.
25 Ιουλ 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 is typically used with boolean (logical) values. When it is, it returns a Boolean value.
Learn how to use the logical NOT, AND and OR operators in JavaScript with examples and explanations. The logical operators allow you to compare values and execute different code blocks based on the result.
Learn how to use different types of JavaScript operators, including arithmetic, assignment, comparison, string, logical, bitwise and ternary operators. See examples, syntax and descriptions of each operator.
30 Οκτ 2019 · Learn how to use the logical not (!), and (&&), and or (||) operators in JavaScript to check and combine truthy and falsy values. See examples, quirks, and applications of these operators in if statements and default values.
