6 lines
		
	
	
		
			214 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			6 lines
		
	
	
		
			214 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
'use strict';
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var $isNaN = Number.isNaN || function (a) { return a !== a; };
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module.exports = Number.isFinite || function (x) { return typeof x === 'number' && !$isNaN(x) && x !== Infinity && x !== -Infinity; };
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