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Setting, getting and deleting cookies using Javascript

/ Published in: JavaScript
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  1. function setCookie (name, value, expires, path, domain, secure){
  2. 	var today = new Date();
  3. 	today.setTime(today.getTime());
  4. 	if (expires){
  5. 	  expires = expires * 1000 * 60 * 60 * 24;
  6. 	}
  7. 	var expires_date = new Date( today.getTime() + (expires));
  8. 	document.cookie = name+'='+escape( value ) +
  9. 		((expires) ? ';expires='+expires_date.toGMTString() : '' ) + //expires.toGMTString()
  10. 		((path) ? ';path=' + path : '' ) +
  11. 		((domain) ? ';domain=' + domain : '' ) +
  12. 		((secure) ? ';secure' : '' );
  13. }
  14.  
  15. function getCookie(name){
  16. 	var start = document.cookie.indexOf( name + "=" );
  17. 	var len = start + name.length + 1;
  18. 	if ((!start) && (name != document.cookie.substring( 0, name.length))){
  19. 	  return null;
  20. 	}
  21. 	if (start == -1) return null;
  22. 	var end = document.cookie.indexOf(';', len);
  23. 	if (end == -1) end = document.cookie.length;
  24. 	return unescape(document.cookie.substring(len, end));
  25. }
  26.  
  27. function deleteCookie (name, path, domain){
  28. 	if (getCookie(name)) document.cookie = name + '=' +
  29. 		((path) ? ';path=' + path : '') +
  30. 		((domain) ? ';domain=' + domain : '' ) +
  31. 		';expires=Thu, 01-Jan-1970 00:00:01 GMT';
  32. }

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