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Posted By

jatkins on 11/07/11


Tagged

trim String text manipulation


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JavaScript String Trim Function

 / Published in: JavaScript
 

Released into the public domain. Returns a string with leading and trailing spaces from stringToTrim.

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  1. function reverseString(strToReverse) {
  2. 	reversedString = '';
  3. 	for(var i=strToReverse.length-1;i>=0;i--)
  4. 		reversedString += strToReverse[i];
  5. 	return reversedString;
  6. }
  7.  
  8. function trimString(stringToTrim) {
  9. 	var sStart = 0, sEnd = 0;
  10. 	while(stringToTrim[sStart]==' ')
  11. 		sStart++;
  12. 	stringToTrim = reverseString(stringToTrim.substring(sStart));
  13. 	while(stringToTrim[sEnd]==' ')
  14. 		sEnd++;
  15. 	return reverseString(stringToTrim).substring(0, stringToTrim.length-sEnd);
  16. }

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