truthy and falsy

Quí Nguyen Thanh answered on April 23, 2022 Popularity 5/10 Helpfulness 1/10

answer truthy and falsy

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truthy and falsy

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if (true)
if ({})
if ([])
if (42)
if ("0")
if ("false")
if (new Date())
if (-42)
if (12n)
if (3.14)
if (-3.14)
if (Infinity)
if (-Infinity)

Popularity 5/10 Helpfulness 1/10 Language whatever

Source: developer.mozilla.org

Tags: falsy truthy whatever

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Contributed on Apr 23 2022

Quí Nguyen Thanh

0 Answers Avg Quality 2/10

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truthy or falsy

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function truthyOrFalsy(arg) {
  arg ? console.log('truthy') : console.log('falsy');
}
truthyOrFalsy(''); // falsy
truthyOrFalsy('str'); // truthy
truthyOrFalsy(0); // falsy
truthyOrFalsy(1); // truthy
truthyOrFalsy([]); // truthy
truthyOrFalsy({}); // truthy
console.log(!'', !!''); // true false
console.log(!'str', !!'str'); // false true
console.log(!0, !!0); // true false
console.log(!1, !!1); // false true
console.log(![], !![]); // false true
console.log(!{}, !!{}); // false true

Popularity 3/10 Helpfulness 1/10 Language javascript

Source: badacadabra.github.io

Tags: truthy javascript falsy

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