11 lines
		
	
	
		
			168 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			11 lines
		
	
	
		
			168 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| 'use strict';
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| module.exports = function (str) {
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| 	var tail = str.length;
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| 
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| 	while (/[\s\uFEFF\u00A0]/.test(str[tail - 1])) {
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| 		tail--;
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| 	}
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| 
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| 	return str.slice(0, tail);
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| };
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