What are falsy values in JavaScript?
An example of an AI chatbot conversation about JavaScript falsy values.
What are falsy values in JavaScript?
In JavaScript, falsy values are values that evaluate to false in a boolean context. They include false, 0, -0, 0n, '', null, undefined, and NaN.
Can you give me examples of how these falsy values behave in conditions?
Sure! For example, if you use an if statement: if (0) { console.log('This won't run'); } - the message won't be logged because 0 is falsy.
What about the empty string? How does it work?
An empty string ('') is also falsy. So, if you check it in an if statement like this: if ('') { console.log('This won't run either'); } - it won't log anything.
Are there any truthy values I should know about?
Yes! Truthy values are all values that are not falsy. For example, any non-zero number, non-empty string, or object is considered truthy.
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