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const pi = 3.14159; console.log(pi.toFixed(2)); // '3.14' console.log(pi.toFixed(0)); // '3' console.log(parseInt('42px', 10)); // 42 console.log(parseInt('0xFF', 16)); // 255 console.log(parseFloat('3.14abc')); // 3.14 console.log(Number('42')); // 42 console.log(Number('42px')); // NaN console.log(Number(true)); // 1 console.log(Number(false)); // 0 console.log(Number(null)); // 0 console.log(Number(undefined)); // NaN
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