18 lines
		
	
	
		
			321 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			18 lines
		
	
	
		
			321 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| var announcement = document.getElementById('announcement');
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| 
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| if (announcement !== null) {
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| 
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|   if (localStorage.getItem('announcement') === null ) {
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| 
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|     announcement.classList.remove('d-none');
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| 
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|   }
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| 
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|   announcement.addEventListener('closed.bs.alert', () => {
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| 
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|     localStorage.setItem('announcement', 'closed');
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| 
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|   });
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| 
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| }
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