Prototype Learning Tool Function Learning ($w,$F Method)

var $F = ;
//====>getValue()
getValue: function(element) {
element = $(element);
var method = ();
return [method](element);
}
//====>Serializers
= {
input: function(element, value) {
switch (()) {
case 'checkbox':
case 'radio':
return (element, value);
default:
return (element, value);
}
},
inputSelector: function(element, value) {
if ((value)) return ? :
null;
else = !!value;
},
textarea: function(element, value) {
if ((value)) return ;
else = value;
},
//Omit it, and explain it in detail when talking about this object later.
......
//====>
function isUndefined(object) {
return typeof object === "undefined";
}