
Javascript 2
Authored by Juan De Oro G
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University
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
¿Qué tipo de bucle se usa cuando sabemos cuántas veces queremos repetir algo?
A) Bucle While
B) Bucle For
C) Bucle Infinito
D) Bucle Switch
2.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
2. El bucle while se ejecuta:
A) Solo una vez
B) Hasta que la página se cierre
C) Mientras una condición sea verdadera
D) Si el usuario hace clic
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5. Las funciones en JavaScript sirven para:
A) Repetir bucles
B) Guardar HTML
C) Reutilizar bloques de código
D) Cambiar estilos CSS
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
10. ¿Qué método agrega un elemento al final de un array?
A) pop()
B) push()
C) add()
D) insert()
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
13. ¿includes() en un array sirve para...?
A) Ordenar el array
B) Verificar si un valor existe
C) Quitar elementos
D) Unir dos arrays
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
12. ¿Para qué sirve indexOf() en un array?
A) Buscar la posicion de un elemento
B) Eliminar un elemento
C) Agregar al inicio
D) Convertir a string
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Para qué sirve la función prompt()?
Para dar respuesta al usuario
Para pedir información al usuario
Para colocar nuevas etiquetas
Para sumar muchos numeros
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