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Nice formatted dates in Javascript.

/ Published in: JavaScript
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Example: April 5th, 2011

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  1. var month_names = new Array('January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'),
  2. 		now = new Date(),
  3. 		dayNum = now.getDate(),
  4. 		dayNum_str = dayNum.toString(),
  5. 		dayNum_strlen = dayNum_str.length,
  6. 		dayNum_lastDigit = dayNum_str.substring(dayNum_strlen-1),
  7. 		dayNum_isTeens = null,
  8. 		sup = '',
  9. 		thisMonth = now.getMonth(),
  10. 		thisYear = now.getFullYear();
  11.  
  12. 	if (dayNum > 10 && dayNum < 14) {
  13. 		dayNum_isTeens = true;
  14. 	}
  15. 	if (!dayNum_isTeens) {
  16. 		if (dayNum_lastDigit == 1) {
  17. 		   sup = 'st';
  18. 		}
  19. 		else if (dayNum_lastDigit == 2) {
  20. 		   sup = 'nd';
  21. 		}
  22. 		else if (dayNum_lastDigit == 3) {
  23. 		   sup = 'rd';
  24. 		}
  25. 	}
  26. 	else {
  27. 	   sup = 'th';
  28. 	}
  29. var date = ''+ month_names[thisMonth] + ' ' + dayNum + '<sup>' + sup + '</sup>, ' + thisYear;
  30.  
  31. document.write(date);

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