dmiro

runFunction : function (name) { 
this[name]();
};

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function Enum() {
    var that = this;
    for (var i in arguments) {
        that[arguments[i]] = i;
    }
    this.name = function(value) {
        for (var key in that) {
            if (that[key] == value) {
                return key;
            }

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// Format emulate
String.prototype.format = function () {
  var args = arguments;
  return this.replace(/\{\{|\}\}|\{(\d+)\}/g, function (m, n) {
    if (m == "{{") { return "{"; }
    if (m == "}}") { return "}"; }
    return args[n];
  });
};

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// apply string format to all elements of array and return result
Array.prototype.format=function(prefix)
{
    var result = [];
    this.forEach(function(entry) {
        result.push(prefix.format(entry));
    });
    return result;
};

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// return last element of array
Array.prototype.last = Array.prototype.last || function() {
    var l = this.length;
    return this[l-1];
}

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var isValidDate = function(d) {
    if (Object.prototype.toString.call(d) !== "[object Date]") return false;
    return !isNaN(d.getTime());
}

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//delete all pattern occurrences 
String.prototype.deleteOccurrences = function (pattern) {
    return this.str.replace (RegExp(pattern,'gi'),"");
};

//replace all pattern occurrences 
String.prototype.replaceOccurrences = function (pattern, replace) {
    return this.str.replace (RegExp(pattern,'gi'),replace);
};

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Date.prototype.format = function(fstr, utc) {
  var that = this;
  utc = utc ? 'getUTC' : 'get';
  return fstr.replace (/%[YmdHMS]/g, function (m) {
    switch (m) {
    case '%Y': return that[utc + 'FullYear'] ();
    case '%m': m = 1 + that[utc + 'Month'] (); break;
    case '%d': m = that[utc + 'Date'] (); break;
    case '%H': m = that[utc + 'Hours'] (); break;
    case '%M': m = that[utc + 'Minutes'] (); break;

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var foo = {
    hasOwnProperty: function() {
        return false;
    },
    bar: 'Here be dragons'
};
foo.hasOwnProperty('bar'); // siempre devolverá false
// Utilice otro objeto con hasOwnProperty y llamelo con 'this' para asignarlo a foo
({}).hasOwnProperty.call(foo, 'bar'); // true

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var original=28.453
//round "original" to two decimals
var result=Math.round(original*100)/100  //returns 28.45

// round "original" to 1 decimal
var result=Math.round(original*10)/10  //returns 28.5

//round 8.111111 to 3 decimals
var result=Math.round(8.111111*1000)/1000  //returns 8.111