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javascript get/set/del cookies

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  1. getCookie(), setCookie(), deleteCookie() open domain
  2.  
  3. function getCookie( name ) {
  4. 	var start = document.cookie.indexOf( name + "=" );
  5. 	var len = start + name.length + 1;
  6. 	if ( ( !start ) && ( name != document.cookie.substring( 0, name.length ) ) ) {
  7. 		return null;
  8. 	}
  9. 	if ( start == -1 ) return null;
  10. 	var end = document.cookie.indexOf( ';', len );
  11. 	if ( end == -1 ) end = document.cookie.length;
  12. 	return unescape( document.cookie.substring( len, end ) );
  13. }
  14.  
  15. function setCookie( name, value, expires, path, domain, secure ) {
  16. 	var today = new Date();
  17. 	today.setTime( today.getTime() );
  18. 	if ( expires ) {
  19. 		expires = expires * 1000 * 60 * 60 * 24;
  20. 	}
  21. 	var expires_date = new Date( today.getTime() + (expires) );
  22. 	document.cookie = name+'='+escape( value ) +
  23. 		( ( expires ) ? ';expires='+expires_date.toGMTString() : '' ) + //expires.toGMTString()
  24. 		( ( path ) ? ';path=' + path : '' ) +
  25. 		( ( domain ) ? ';domain=' + domain : '' ) +
  26. 		( ( secure ) ? ';secure' : '' );
  27. }
  28.  
  29. function deleteCookie( name, path, domain ) {
  30. 	if ( getCookie( name ) ) document.cookie = name + '=' +
  31. 			( ( path ) ? ';path=' + path : '') +
  32. 			( ( domain ) ? ';domain=' + domain : '' ) +
  33. 			';expires=Thu, 01-Jan-1970 00:00:01 GMT';
  34. }

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