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Get filename from url

/ Published in: JavaScript
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Strips the filename from a url, returns null if one is not found

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  1. utils.getFilenameFromUrl = function(url) {
  2. 	var charPosition = url.length;
  3. 	var positionFirstSlash;
  4. 	var currentCharacter = url.charAt(charPosition);
  5. 	var breakCharacter = '/';
  6. 	var filename;
  7. 	if (currentCharacter != breakCharacter) {
  8. 		while(currentCharacter != breakCharacter) {
  9. 			currentCharacter = url.charAt(charPosition);
  10. 			positionFirstSlash = charPosition;
  11. 			charPosition--;
  12. 		}
  13. 		filename = url.substr(positionFirstSlash + 1, url.length);
  14. 	} 
  15. 	return filename;
  16. }

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