9 lines
328 B
JavaScript
9 lines
328 B
JavaScript
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function decimals(n, d) {
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if ((typeof n !== 'number') || (typeof d !== 'number'))
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return false;
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n = parseFloat(n) || 0;
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return n.toFixed(d);
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}
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console.log(decimals(2.100212, 2));
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console.log(decimals(2.100212, 3));
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console.log(decimals(2100, 2));
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