Yo guys, today we’re gonna look at boolean values (true and false values) and the different values that are seen as “truthy” or “falsey” by JavaScript. To determine whether a value is truthy or falsey, we can use the built in JavaScript Boolean() function.

Other expressions can also be evaluated as true or false, for example, is 7 greater than 5. Is X smaller than Y etc. We’ll go on to use expressions like this when we start using if statements and loops.

As always, any questions – just comment below :).


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  1. Hey Net Ninja, love how you get through the topics with the short videos!!! Question, when you say we can determine whether a value is "truthy" or "falsey" is that another way for saying "true" or "false"? Or does it mean something else and i'm just completely missing it? Thanx! Ingrid


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