13 lines
		
	
	
	
		
			297 B
			
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			13 lines
		
	
	
	
		
			297 B
			
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| /* global extension: false */
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| 
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| // eslint-disable-next-line func-names
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| (function() {
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|   // Browser specific functions for Chrom*
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|   window.extension = window.extension || {};
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| 
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|   extension.windows = {
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|     onClosed(callback) {
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|       window.addEventListener('beforeunload', callback);
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|     },
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|   };
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| })();
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