Category Archives: javaScript

Navigator Object Determine details of the user browser appName – browser application name appVersion – string containing version details cookieEnabled – boolean value mimeTypes – array of known types of files plugins – array of plug-in application platform – operating … Continue reading →

Why develop objects? Data hiding Code elegance Code reuse Script stability Steps for developing custom objects Design properties and methods Create constructor functions Develop methods Bind methods to objects  

information that describes the object functions that change the state of the object   Duality of the object variable -> functionproperty (information about the object)-> method (what the object can do)attribute->behaviourdescription->actionadjetive->verb Encapsulation Binding data and functions Provides robust and secure … Continue reading →

 document.write(“<h1>String Methods</h1>”);    var sample_string = “AaBbCcDdEeFfGg”;    document.write(“<br>Orignal String: ” + sample_string);    document.write(“<h2>Formatting</h2>”);    document.write(“<br>toLowerCase: ” + sample_string.toLowerCase()); document.write(“<br>toUpperCase: ” + sample_string.toUpperCase()); document.write(“<br>bold: ” + sample_string.bold()); document.write(“<br>italics: ” + sample_string.italics()); document.write(“<br>strike: ” + sample_string.strike()); document.write(“<br>big: ” + sample_string.big()); document.write(“<br>small: ” + sample_string.small()); … Continue reading →

 tempDate = new Date(); document.write(“Fecha: ” + tempDate.toLocaleString());  otraFecha = new Date(2007, 04, 11, 10, 52, 30);  document.write(“<br> Otra Fecha:” + otraFecha + “<br>”);  document.write(“Date: ” + otraFecha.getDate() +”<br>”); document.write(“Month: ” + otraFecha.getMonth() +”<br>”); document.write(“Year: ” + otraFecha.getYear() +”<br>”); document.write(“Locale String: ” + otraFecha.toLocaleString() +”<br”);  Tags: date, … Continue reading →

 /* FUNCTIONS */  function hola_usuario() {  document.write(“Hola que tal <br>”)  }  function raiz(x) {   return x * x ;  }   hola_usuario();     numero=prompt(“Ingresa un numero”, 0); document.write(raiz(numero)); Tags: funciones, functions

 /* DO WHILE */  var requested_month=0; var MonthArray= [ "", "Enero", "Febrero", "Marzo", "Abril", "Mayo", "Junio", "Julio", "Agosto", "Septiembre", "Octubre", "Noviembre", "Diciembre"  ]  document.write(“Ingresa un número del 1 al 12: <br>”);  do {  requested_month=prompt(“Ingresa un numero del 1 al 12 o 0 para salir”, 0);  if ( requested_month <= 12 )   {    document.write(MonthArray[requested_month] + “<BR>”);   }  }while (requested_month != 0) 

 /* FOR LOOPS */  var hora; var ampm;  for ( hora=1; hora<=24; hora++) {  if (hora < 12) { ampm = “am” }  if (hora > 12) { ampm = “pm” }    if (hora < 13 )  {   document.write(hora + ampm)  }   else  {       document.write((hora-12) + ampm)    }    document.write(“<br>”);   } 

 var clave_admin=”ice”; var clave_dev=”snow”; var clave_user=”water”;  var login=prompt(“Ingresa la clave porfavor: “, ” “);   switch (login) {    case “ice”:   alert(“Hola Administrador”);   break  case “snow”:   alert(“Hola Desarrollador”);   break  case “water”:   alert(“Bienvenido Usuario”);   break      default:   alert(“Clave incorrecta”);   break      } Tags: switch+case+javascript

var number_1 = 999.9; var number_2 = 0.1; var sum = number_1 + number_2; document.write(sum); /* Strings */ var string_1 = “Buenas Tardes<br>”; var string_2 = “¿Como estas?<br>”; var saludo = string_1 + string_2; document.write(saludo); /* Arrays */ ciudades = … Continue reading →