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isNegativeZero.js

isNegativeZero.js 101 B
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  1. 'use strict';
    2. 

  2. 

  3. module.exports = function isNegativeZero(x) {
    4. 

  4. 	return x === 0 && 1 / x === 1 / -0;
    5. 

  5. };
    6.