Skip to content

Instantly share code, notes, and snippets.

@eddmann

eddmann/oop.js

Last active April 28, 2016 08:38
Show Gist options
  • Save eddmann/9809926 to your computer and use it in GitHub Desktop.
Save eddmann/9809926 to your computer and use it in GitHub Desktop.
Download ZIP
OOP in JavaScript
Raw
oop.js
// Prototypical Model
var UserPrototype = {};
UserPrototype.constructor = function(name)
{
this._name = name;
};
UserPrototype.getName = function()
{
return this._name;
};
var user = Object.create(UserPrototype);
user.constructor('Joe Bloggs');
console.log('user = ' + user.getName());
var AdminPrototype = Object.create(UserPrototype);
AdminPrototype.getName = function()
{
return UserPrototype.getName.call(this) + ' [Admin]';
};
var admin = Object.create(AdminPrototype);
admin.constructor('Sally Ann');
console.log('admin = ' + admin.getName());
// Classical Model
function User(name)
{
this._name = name;
}
User.prototype.getName = function()
{
return this._name;
}
var user = new User('Joe Bloggs')
console.log('user = ' + user.getName());
function Admin(name)
{
User.call(this, name);
var secret = 'Hello';
this.getSecret = function(password)
{
return (password === 'cheese')
? secret
: 'It\'s a secret!';
}
}
Admin.prototype = Object.create(User.prototype);
// Admin.prototype = new User();
Admin.prototype.constructor = Admin;
Admin.prototype.getName = function()
{
return User.prototype.getName.call(this) + ' [Admin]';
};
var admin = new Admin('Sally Ann');
console.log('admin = ' + admin.getName());
console.log('secret = ' + admin.getSecret('cheese'));
function Student(properties)
{
var $this = this;
for (var i in properties) {
(function(i)
{
$this['get' + i] = function()
{
return properties[i];
}
}(i));
}
}
var student = new Student({
Name: 'Joe Bloggs',
Age: 24
});
console.log(student.getName());
console.log(student.getAge());
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment