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