Every value in JavaScript has a boolean equivalent, and anything that's not explicitly false is considered true (truthy). Numbers are truthy unless they're zero, strings are truthy unless they're empty, arrays and objects are truthy unless they're empty, and null and undefined are falsy.
Empty values in JavaScript include "", 0, null, undefined, NaN, and false. These values behave differently in operations, conditional statements, and object usage. To deal with them, you can check for them explicitly, use default values, or handle NaN carefully. Understanding how to handle empty values is essential for Full-Stack Developers.
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