Improve Javascript skills

Javascript resources

Page loaded in javascript

Using anonimus function (due to the scope) the events fire where the page is loaded.

Catching the mouse wheel event

Simple Context Menu in Javascript

  Right click  to get a custom context menu. Click
  anywhere else to get the default context menu.
 
 

  
Nicolas
  
Peter
 
 

Working with Keycodes in Javascript

I've dicovered a new way for working with keycodes in javascript. Here is the code:

3 different ways with event click button in javascript

Some Nice Javascript programs

Clock which shows love
To-Do List

Some Theory about Repositories in SharePoint Applications

General Theory
List Design
Unit of Work
DataMapper
SharePoint List Repositories
Some Considerations
Some How-To´s
Project Object SharePoint Mapper
SharePoint Common FrameWork
SharePoint Guidance

Extend class String with Trim function in javascript

String.prototype.trim = function () {
    return this.replace(/^\s+/, '').replace(/\s+$/, '');
}

Authentication SharePoint 2010 based in Forms

using Microsoft.SharePoint;
using Microsoft.SharePoint.IdentityModel;

public class AuthenticationSharePoint : Authentication
{
    public bool IsValid( string url, Usuario usuario)
    {
        return SPClaimsUtility.AuthenticateFormsUser(new Uri(url), usuario.Login, usuario.Contrasenia);
    }
}

Clone Generic Object by Reflection in .NET

public static List GetAllProperties(Type type)
{
    BindingFlags flags = BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Static | BindingFlags.Instance | BindingFlags.DeclaredOnly;
    var list = new List();

    if (type != null)
    {
        list.AddRange(type.GetProperties(flags));
        list.AddRange(GetAllProperties(type.BaseType));
    }

    return list;
}

public static T Clonar(T original)
{
    if (original == null) { throw new Exception("cannot be null object"); }

    var tipo = original.GetType();
    var resultado = Activator.CreateInstance(tipo);
    foreach (PropertyInfo propiedad in GetAllProperties(tipo))
    {
        propiedad.SetValue(resultado, propiedad.GetValue(original, null), null);
    }
    return (T)resultado;
}

ProgressBar in javasccript

Some Rules, for Writting good programs

The Open-Closed Principle
The Liskov Substitution Principle
The Dependency Inversion Principle
SRP: The Single Responsibility Principle
The Interface Segregation Principle


from Object Mentor

Load CSS file Dynamically

function loadCSSFileDymanically(dir){
var link = document.createElement(“link”);
link.rel = "stylesheet";
link.type = "text/css";
link.href = dir;
var head = document.getElementsByTagName(“head”)[0];
head.appendChild(link);
}

Load JavaScript file Dynamically

function loadScriptDinamically(dir){
var script = document.createElement(“script”);
script.type = “text/javascript”;
script.src = dir;
document.body.appendChild(script);
}