Local storage save and retrieve

localstorage-sample.js

function SaveYourName() {
    var yourName = $("#yourName").val();
    if (Modernizr.localstorage) {
        try {
            //saves to the database, “key”, “value”
            localStorage.setItem("name", yourName);
        } catch (e) {
            if (e == QUOTA_EXCEEDED_ERR) {
                //data wasn’t successfully saved due to quota exceed so throw an error
                alert('Quota exceeded!');
            }
        }

        $("#yoursavedname").append("Your name was saved:" + localStorage.getItem("name")); 
    }
    else {
        var exdate = new Date();
        exdate.setDate(exdate.getDate() + 30);
        var c_value = escape($(yourName).val()) + ((exdays == null) ? "" : "; expires=" + exdate.toUTCString());
        document.cookie = c_name + "=" + c_value;
        $("#yoursavedname").append("Your cookie:" + document.cookie); 
    }
}