7 lines
		
	
	
		
			143 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			7 lines
		
	
	
		
			143 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
'use strict';
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/** @type {import('./isNegativeZero')} */
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module.exports = function isNegativeZero(x) {
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	return x === 0 && 1 / x === 1 / -0;
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};
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