JavaScript
Quiz
•
Other
•
1st Grade
•
Practice Problem
•
Hard
Nicolas Gimenez
Used 31+ times
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10 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Acceder y modificar elementos HTML
Crear nuevos elementos HTML de forma dinámica
Imprimir en consola "Hola mundo"
No sirve para nada
2.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
Un array de elementos asociados a la URL
Nada
Un objeto Promise
Un JSON
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
HTTP es ...
protocolo de autenticación utilizado para crear logins
una sigla inventada
un protocolo para conectarse mediante terminal de forma segura a servidores (tal como SSH)
el protocolo para la transferencia de información en la Web
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Las expresiones regulares sirven para ...
validar que un String siga determinado formato que necesitemos
expresar ideas de cualquier tipo
traducir información en otros idiomas
Ninguna de las anteriores
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Se le llama cadena de caracteres a un objeto de tipo...
Boolean
String
Number
null
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Una "Promesa" en JS se usa para ...
traer un JSON
prometer que JS no es un lenguaje difícil
consumir un API
ejecuciones asíncronas (representa un valor que puede estar disponible en algún momento o nunca)
7.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
"async" y "await" son para ...
nada, el profe las inventó para sonar interesante
esperar el resultado de una promesa
sincronizar con el servidor y descargar los datos respectivamente
declarar que una función es asíncrona
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