11 lines
		
	
	
		
			264 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			11 lines
		
	
	
		
			264 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| "use strict";
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| 
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| var objToString = Object.prototype.toString, id = objToString.call(1);
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| 
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| module.exports = function (value) {
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| 	return (
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| 		typeof value === "number" ||
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| 		(value instanceof Number || (typeof value === "object" && objToString.call(value) === id))
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| 	);
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| };
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