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15 lines
368 B
15 lines
368 B
5 years ago
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export default function(x, p) {
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x = x.toPrecision(p);
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out: for (var n = x.length, i = 1, i0 = -1, i1; i < n; ++i) {
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switch (x[i]) {
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case ".": i0 = i1 = i; break;
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case "0": if (i0 === 0) i0 = i; i1 = i; break;
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case "e": break out;
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default: if (i0 > 0) i0 = 0; break;
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}
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}
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return i0 > 0 ? x.slice(0, i0) + x.slice(i1 + 1) : x;
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}
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