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const values = [0, 0, 2, 0, 3];
// Use as the callback for Array.prototype.some()
const hasValidValue = values.some(Boolean);
// Use as the callback for Array.prototype.filter()
const nonEmptyValues = values.filter(Boolean);
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// falsy values: false, 0, -0, 0n, null, undefined, NaN, and the empty string ""
console.log(Boolean(false)) // false
console.log(Boolean(0)) // false
console.log(Boolean(-0)) // false
console.log(Boolean(0n)) // false
console.log(Boolean(null)) // false
console.log(Boolean(undefined)) // false
console.log(Boolean(NaN)) // false
console.log(Boolean("")) // false
console.log(typeof Boolean("")) // boolean
// truthy values: true, 1, -1, 1n, -1n, Infinity, -Infinity, " ", {}, []
console.log(Boolean(true)) // true
console.log(Boolean(1)) // true
console.log(Boolean(-1)) // true
console.log(Boolean(1n)) // true
console.log(Boolean(-1n)) // true
console.log(Boolean(Infinity)) // true
console.log(Boolean(-Infinity)) // true
console.log(Boolean(" ")) // true
console.log(Boolean({})) // true
console.log(Boolean([])) // true
console.log(typeof Boolean([])) // boolean
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var a = 2;
var b = 3;
var c = 2;
(a == b) // returns false
(a == c) //returns true