Created
May 31, 2011 21:55
-
-
Save josedaniel/1001363 to your computer and use it in GitHub Desktop.
Local storage cookies fallback
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
if (!window.localStorage){ | |
function createCookie(name,value,days) { | |
if (days) { | |
var date = new Date(); | |
date.setTime(date.getTime()+(days*24*60*60*1000)); | |
var expires = "; expires="+date.toGMTString(); | |
} | |
else var expires = ""; | |
document.cookie = name+"="+value+expires+"; path=/"; | |
} | |
function readCookie(name){ | |
var result = "" | |
var nameEQ = name + "="; | |
var ca = document.cookie.split(';'); | |
for(var i=0;i < ca.length;i++) { | |
var c = ca[i]; | |
while (c.charAt(0)==' '){ | |
c = c.substring(1,c.length); | |
} | |
if (c.indexOf(nameEQ) == 0){ | |
result = c.substring(nameEQ.length,c.length); | |
}else{ | |
result = ""; | |
} | |
} | |
return(result); | |
} | |
localStorage = (function () { | |
return { | |
setItem: function (key, value) { | |
createCookie(key, value, 3000) | |
}, | |
getItem: function (key) { | |
return(readCookie(key)); | |
} | |
}; | |
})(); | |
} |
Thanks for posting. I made a few modifications to make getItem() return null instead of an empty string as well as adding removeItem() https://gist.github.com/2890870
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
As see in http://www.sendesignz.com/index.php/web-development/93-how-to-save-preferences-with-localstorage