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March 4, 2020 21:16
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const falseExample = false; | |
const undefinedExample = undefined; | |
const nullExample = null; | |
const NaNExample = NaN; | |
const zeroExample = 0; | |
const stringExample = ""; | |
console.log(!! falseExample, Boolean(falseExample), new Boolean(falseExample)); | |
console.log(!! undefinedExample, Boolean(undefinedExample), new Boolean(undefinedExample)); | |
console.log(!! nullExample, Boolean(nullExample), new Boolean(nullExample)); | |
console.log(!! NaNExample, Boolean(NaNExample), new Boolean(NaNExample)); | |
console.log(!! zeroExample, Boolean(zeroExample), new Boolean(zeroExample)); | |
console.log(!! stringExample, Boolean(stringExample), new Boolean(stringExample)); | |
// false false [Boolean: false] | |
// false false [Boolean: false] | |
// false false [Boolean: false] | |
// false false [Boolean: false] | |
// false false [Boolean: false] | |
// false false [Boolean: false] |
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