jquery save and restore form data

Here is sample how to store and retrieve form and retrieve data

 
// get all form values into json  
var s2=$('form').values(); 
// restore all forms values back 
$('form').values(s2); 

Here is the function

    
/* function for form saving restoring code */ 
$.fn.values = function (data) { 
        var els = $(this).find(':input').get(); 
 
        if (typeof data != 'object') { 
                // return all data 
                data = {}; 
                $.each(els, function () { 
                        if (this.name && !this.disabled && this.type != "hidden") { 
                                if (this.type == 'checkbox') { 
                                        data[this.name] = $(this).is(":checked"); 
 
                                } else if (this.type == 'radio') { 
                                        if ($(this).is(":checked")) { 
                                                data[this.name] = $(this).val(); 
                                        } 
                                } else { 
                                        data[this.name] = $(this).val(); 
                                } 
 
                        } 
                }); 
                return data; 
        } else { 
                $.each(els, function () { 
                        if (this.name && data[this.name] != null) { 
                                //console.log(">" + this.name + " " + data[this.name]); 
                                if (this.type == 'checkbox') { 
                                        $(this).attr("checked", data[this.name]); //(data[this.name] == $(this).val())                                        
                                        //console.log("checkbox"); 
                                } else if (this.type == 'radio') { 
                                        $(this).attr("checked", data[this.name] == $(this).val()); 
                                } else { 
                                        $(this).val(data[this.name]); 
                                } 
                        } 
                }); 
                return $(this); 
        } 
      };