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			14 lines
		
	
	
		
			363 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			14 lines
		
	
	
		
			363 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| // Copyright 2016 the V8 project authors. All rights reserved.
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| // Use of this source code is governed by a BSD-style license that can be
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| // found in the LICENSE file.
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| 
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| var custom_toString = function() {
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|   var boom = custom_toString.caller;
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|   return boom;
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| }
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| 
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| var object = {};
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| object.toString = custom_toString;
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| 
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| try { Object.hasOwnProperty(object); } catch (e) {}
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