29 lines
		
	
	
	
		
			884 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			29 lines
		
	
	
	
		
			884 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
'use strict';
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{
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    // Call function fn when the DOM is loaded and ready. If it is already
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    // loaded, call the function now.
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    // http://youmightnotneedjquery.com/#ready
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    function ready(fn) {
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        if (document.readyState !== 'loading') {
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            fn();
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        } else {
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            document.addEventListener('DOMContentLoaded', fn);
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        }
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    }
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    ready(function() {
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        function handleClick(event) {
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            event.preventDefault();
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            const params = new URLSearchParams(window.location.search);
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            if (params.has('_popup')) {
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                window.close(); // Close the popup.
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            } else {
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                window.history.back(); // Otherwise, go back.
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            }
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        }
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        document.querySelectorAll('.cancel-link').forEach(function(el) {
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            el.addEventListener('click', handleClick);
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        });
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    });
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}
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