Jul 11, 2025 · A falsy (sometimes written falsey) value is a value that is considered false when encountered in a Boolean context.

The idea of terms like "truthy" and "falsy" simply refer to those values which are considered True in cases like those described above, and those which are considered False.

Jan 9, 2025 · If the first operand (which comes before the question mark--doIt, in this example) is truthy, the expression evaluates to the second operand (between the question mark and …

Aug 5, 2025 · In JavaScript, truthy and falsy values are concepts related to boolean evaluation. Every value in JavaScript has an inherent boolean "truthiness" or "falsiness," which means …

Others are falsy, meaning they evaluate to False. Here are a few falsy values: Other values like non-zero numbers, and non-empty strings are truthy. If you want to check whether a value is …

Oct 28, 2019 · JavaScript type coercion is full of surprises, but if you understand the basics it can save you a lot of wasteful type checks. Here is what you need to know about falsy values.

Learn the definition of 'falsy'. Check out the pronunciation, synonyms and grammar. Browse the use examples 'falsy' in the great English corpus.

Falsy definition: (JavaScript) Evaluating to <a>false</a> in a <a>Boolean</a> context.

Falsy values In JavaScript, a falsy value is a value that is considered false when encountered in a Boolean context. Learning about truthy and falsy values can help you write cleaner code. Let’s …

As adjectives the difference between false and falsy is that false is untrue, not factual, factually incorrect while falsy is evaluating to false in a Boolean context.