14 lines
		
	
	
		
			306 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			14 lines
		
	
	
		
			306 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| 'use strict';
 | |
| 
 | |
| var $strSlice = require('../helpers/callBound')('String.prototype.slice');
 | |
| 
 | |
| module.exports = function isPrefixOf(prefix, string) {
 | |
| 	if (prefix === string) {
 | |
| 		return true;
 | |
| 	}
 | |
| 	if (prefix.length > string.length) {
 | |
| 		return false;
 | |
| 	}
 | |
| 	return $strSlice(string, 0, prefix.length) === prefix;
 | |
| };
 |