Question

I am trying to find out if its the users first time on my webpage. I am currently storing a variable in local storage and checking if its null or not but it doesn’t seem to work in Internet Explorer. What other method can I use to accomplish this?

    var str_count = localStorage.getItem("count");
    if (str_count == null || str_count == "null")
    {
               // Do something
             }

Answer 1

Setting cookie with long expiration date is definitely more reliable that using localStorage as it is not yet supported by older browsers.

Check this code:

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 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) return c.substring(nameEQ.length,c.length);
    }
    return null;
}

function eraseCookie(name) {
    createCookie(name,"",-1);
}

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