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19 lines
369 B
19 lines
369 B
"use strict";
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/* https://people.mozilla.org/~jorendorff/es6-draft.html#sec-object.is */
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var NumberIsNaN = function (value) {
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return value !== value;
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};
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module.exports = function is(a, b) {
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if (a === 0 && b === 0) {
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return 1 / a === 1 / b;
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} else if (a === b) {
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return true;
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} else if (NumberIsNaN(a) && NumberIsNaN(b)) {
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return true;
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}
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return false;
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};
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