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20 lines (18 loc) · 880 Bytes
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Copy pathi_boolean.js
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20 lines (18 loc) · 880 Bytes
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// BOOLEAN
// Boolean is een datatype dat één van de twee waarden teruggeeft: waar (true) of niet waar (false).
// VOORBEELDEN WAAR
console.log('Boolean(5) is ' + Boolean(5));
console.log('Boolean(15.36) is ' + Boolean(15.36));
console.log('Boolean(-21) is ' + Boolean(-21));
console.log("Boolean('true') is " + Boolean('true'));
console.log("Boolean('false') is " + Boolean('false'));
console.log('Boolean(12 * 3.1 + 20) is ' + Boolean(12 * 3.1 + 20));
console.log('Boolean(10 < 15) is ' + Boolean(10 < 15));
// VOORBEELDEN NIET WAAR
console.log('Boolean(0) is ' + Boolean(0));
console.log('Boolean("") is ' + Boolean(""));
console.log('Boolean(-0) is ' + Boolean(-0));
console.log('Boolean(false) is ' + Boolean(false));
console.log('Boolean(NaN) is ' + Boolean(NaN));
console.log('Boolean(null) is ' + Boolean(null));
console.log('Boolean(10 > 15) is ' + Boolean(10 > 15));