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20 lines
705 B
20 lines
705 B
7 years ago
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// Does not handle negative numbers.
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function intToBin(number) {
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if (number === 0) {
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return '0';
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}
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let res = '';
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while (number > 0) {
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res = String(number % 2) + res;
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number = parseInt(number / 2, 10);
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}
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return res;
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}
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console.log(intToBin(0) === 0..toString(2) && 0..toString(2) === '0');
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console.log(intToBin(1) === 1..toString(2) && 1..toString(2) === '1');
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console.log(intToBin(2) === 2..toString(2) && 2..toString(2) === '10');
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console.log(intToBin(3) === 3..toString(2) && 3..toString(2) === '11');
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console.log(intToBin(5) === 5..toString(2) && 5..toString(2) === '101');
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console.log(intToBin(99) === 99..toString(2) && 99..toString(2) === '1100011');
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