kkoziarski

var add = function (a, b) {
	if (typeof a !== 'number' || typeof b !== 'number') {
		throw {
			name: 'TypeError',
			message: 'add needs numbers'
		};
	}
	return a + b;
}

kkoziarski

Function.prototype.method = function (name, func) {
	this.prototype[name] = func;
	return this;
};

// Add a method conditionally.
Function.prototype.method = function (name, func) {
	if (!this.prototype[name]) {
		this.prototype[name] = func;
	}

kkoziarski

//Instead of initializing myObject with an object literal, we will initialize myObject by
//calling a function that returns an object literal. That function defines a value variable. That variable is always available to the increment and getValue methods, but
//the function’s scope keeps it hidden from the rest of the program.
//We are not assigning a function to myObject. We are assigning the result of invoking
//that function. Notice the()on the last line. The function returns an object containing two methods, and those methods continue to enjoy the privilege of access to the
//value variable.
var myObject = function ( ) {
	var value = 0;
	return {
		increment: function (inc) {

kkoziarski

var serial_maker = function () {
	// Produce an object that produces unique strings. A
	// unique string is made up of two parts: a prefix
	// and a sequence number. The object comes with
	// methods for setting the prefix and sequence
	// number, and a gensym method that produces unique
	// strings.
	var prefix = '';
	var seq = 0;

kkoziarski

//returns only integer parts
Number.method('integer', function ( ) {
	return Math[this < 0 ? 'ceiling' : 'floor'](this);
});
document.writeln((-10 / 3).integer( )); // -3

kkoziarski

//JavaScript lacks a method that removes spaces from the ends of a string. 
//That is an easy oversight to fix:
String.method('trim', function ( ) {
	return this.replace(/^\s+|\s+$/g, '');
});
document.writeln('"' + " neat ".trim( ) + '"');

kkoziarski

var mammal = function (spec) {     
   var that = {}; 
   that.get_name = function (  ) { 
      return spec.name; 
   }; 
   that.says = function (  ) { 
      return spec.saying || ''; 
   }; 
   return that; 
}; 

kkoziarski

var isNumber = function isNumber(value) { 
	return typeof value === 'number' && isFinite(value);
}

kkoziarski

var isArray = function (value) {
	return value &&
		typeof value === 'object' &&
		typeof value.length === 'number' &&
		typeof value.splice === 'function' &&
		!(value.propertyIsEnumerable('length'));
};

kkoziarski

//#JS #bookmarkelt
//redirect to https
(function() {
    var url = window.location.href.toLowerCase();
    if(url.indexOf('https:') < 0 && url.indexOf('http:') >= 0) {
        var httpsUrl = 'https:' + window.location.href.substring(5); //url.replace('http', 'https');
        window.location.href = httpsUrl;
    }
})()