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jsCookies - my simple easy pure js javascript cookies function

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  1. //  create my jsCookies function
  2. var jsCookies = {
  3.  
  4. 	// this gets a cookie and returns the cookies value, if no cookies it returns blank ""
  5. 	get: function(c_name) {
  6. 		if (document.cookie.length > 0) {
  7. 			var c_start = document.cookie.indexOf(c_name + "=");
  8. 			if (c_start != -1) {
  9. 				c_start = c_start + c_name.length + 1;
  10. 				var c_end = document.cookie.indexOf(";", c_start);
  11. 				if (c_end == -1) {
  12. 					c_end = document.cookie.length;
  13. 				}
  14. 				return unescape(document.cookie.substring(c_start, c_end));
  15. 			}
  16. 		}
  17. 		return "";
  18. 	},
  19.  
  20. 	// this sets a cookie with your given ("cookie name", "cookie value", "good for x days")
  21. 	set: function(c_name, value, expiredays) {
  22. 		var exdate = new Date();
  23. 		exdate.setDate(exdate.getDate() + expiredays);
  24. 		document.cookie = c_name + "=" + escape(value) + ((expiredays == null) ? "" : "; expires=" + exdate.toUTCString());
  25. 	},
  26.  
  27. 	// this checks to see if a cookie exists, then returns true or false
  28. 	check: function(c_name) {
  29. 		c_name = jsCookies.get(c_name);
  30. 		if (c_name != null && c_name != "") {
  31. 			return true;
  32. 		} else {
  33. 			return false;
  34. 		}
  35. 	}
  36.  
  37. };
  38. // end my jsCookies function
  39.  
  40. // USAGE - get    ::   jsCookies.get("cookie_name_here");  [returns the value of the cookie]
  41. // USAGE - set    ::   jsCookies.set("cookie_name", "cookie_value", 5 );  [give name, val and # of days til expiration]
  42. // USAGE - check  ::   jsCookies.check("cookie_name_here");  [returns only true or false if the cookie exists or not]

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