9 lines
		
	
	
		
			273 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			9 lines
		
	
	
		
			273 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
"use strict";
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var objToString = Object.prototype.toString
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  , isFunctionStringTag = RegExp.prototype.test.bind(/^[object [A-Za-z0-9]*Function]$/);
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module.exports = function (value) {
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	return typeof value === "function" && isFunctionStringTag(objToString.call(value));
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};
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