
Patrones de diseño
Authored by david lópez
Computers
University
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué es un closure en JavaScript?
Una función que se ejecuta inmediatamente
Una función que recuerda su scope incluso después de que la función externa haya terminado
Una función que no tiene acceso a las variables de su padre
Un bloque de código que se ejecuta solo una vez
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué significa API?
Application Processing Interface
Application Programming Integration
Application Programming Interface
Application Protocol Integration
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cómo accedes al último elemento de un array llamado miArray?
miArray[0]
miArray.length - 1
miArray[miArray.length]
miArray[miArray.length - 1]
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué tipo de variables respetan el scope de bloque en JavaScript?
var
let
const
Let y Const
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál de las siguientes es una forma correcta de agregar un evento click a un botón en JavaScript?
button.addEventListener('click', function)
button.onClick('click', function)
button.eventClick('click', function)
button.onclick = function
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la característica principal de la programación orientada a objetos?
Uso de funciones
Manipulación de eventos
Creación y uso de objetos con propiedades y métodos
Uso de ciclos y condicionales
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál de las siguientes es una forma común de manejar asincronía en JavaScript?
Bucles for
Funciones sincrónicas
Promesas
Arrays
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