Java Script Be Like...

web development Null Type coercion Toilet paper Undefined Falsy values

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7 months ago 220,779 views 0 shares

Java Script Be Like...

javascript-memes, type-coercion-memes, null-memes, undefined-memes, falsy-values-memes | ProgrammerHumor.io

Ah, JavaScript's type coercion explained with toilet paper. Pure genius.

Non-zero value: Has toilet paper. Works as expected.

0: Empty roll but still there. Technically exists but utterly useless.

null: Just the holder. Someone deliberately removed the toilet paper.

undefined: No toilet paper holder at all. Whoever built this bathroom forgot a critical component.

And yet somehow all of these evaluate to false in an if statement. JavaScript, where the rules are made up and the types don't matter.

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