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smiko
javascript
basic
040bool_falsy.js
040bool_falsy.js
/** * Falsy values: undefined, null, NaN, 0, -0, "" */ // The following returns false console.log(Boolean(undefined)); console.log(Boolean(null)); console.log(Boolean(NaN)); console.log(Boolean(0)); console.log(Boolean(-0)); console.log(Boolean("")); //empty string returns false too console.log(Boolean('')); //empty string (single quotes) console.log(Boolean());
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