jherax

VALOR      COERCIÓN
-------    ---------
false      false
0          false
“”         false
NaN        false
null       false
undefined  false

jherax

//definimos el constructor del objeto base y
//establecemos las propiedades por instancia
function Person (name, age) {
    "use strict";
    this.name = name || "unnamed";
    this.age = +age || 0;
}

//definimos el prototipo del objeto base
//estableciendo las propiedades compartidas

jherax

/*
 * Important!
 * This snippet is deprecated, a best implementation of sortBy can be found here:
 * https://github.com/jherax/array-sort-by
 */

var sortBy = (function () {
  var toString = Object.prototype.toString,
      // default parser function
      parse = function (x) { return x; },

jherax

(function() {
 
    //verificamos cual es el ámbito global
    //(generalmente el objeto window)
    console.log("Global scope", this);
 
    var x = 42; //variable local
    var point = { x: 10, y: 15 }; //objeto local
 
    //si no se especifica el keyword "var",

jherax

//utility to create safe namespaces
function createNS (namespace) {
    var nsparts = namespace.toString().split("."),
        reName = (/^[A-Za-z_]\w+/),
        cparent = window,
        i, subns, nspartsLength;
    // we want to be able to include or exclude the root namespace so we strip it if it's in the namespace
    if (nsparts[0] === "window") nsparts = nsparts.slice(1);
    // loop through the parts and create a nested namespace if necessary
    for (i = 0, nspartsLength = nsparts.length; i < nspartsLength; i += 1) {

jherax

// Creates user-defined exceptions
var CustomError = (function() {
  'use strict';

  //constructor
  function CustomError() {
    //enforces 'new' instance
    if (!(this instanceof CustomError)) {
      return new CustomError(arguments);
    }

jherax

/* eslint-disable no-underscore-dangle */

/**
 * Supported types
 */
const TYPES = {
  _true: /^true$/i,
  _false: /^false$/i,
  _null: /^null$/i,
  _number: /^[0-9]+$/,

jherax

/**
 * @author
 * David Rivera (jherax)
 * https://github.com/jherax
 */

/* eslint-disable no-bitwise */

/** @private */
const toString = Object.prototype.toString;

jherax

/**
 * Gets all event-handlers from a DOM element.
 * Events with namespace are allowed.
 *
 * @param  {Element} node: DOM element
 * @param  {String} eventns: (optional) name of the event/namespace
 * @return {Object}
 */
function getEventHandlers(element, eventns) {
  const $ = window.jQuery;

jherax

(function ($) {

  // Reverses the array of matched elements
  $.fn.reverse = Array.prototype.reverse;

  /**
   * Centers an element relative to another.
   * @signature: $(selector).center(options)
   * @param  {Object} options: 
   *         Defines the options with the following properties: