Examen de JavaScript
Quiz
•
Other
•
12th Grade
•
Practice Problem
•
Hard
Josemaría Gª de Polavieja
Used 53+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dentro de la sintaxis de JavaScript, carece de importancia el uso de las mayúsculas
Verdadero
Falso
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
JavaScript admite comentarios. Señala cuáles son formas correctas de hacer comentarios en el código JavaScript
// comentario
/* comentario */
<!-- comentario -->
** comentario **
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿Qué les pasa a las variables de JavaScript?
Son tipadas
No son tipadas
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El ámbito local de las variables:
disponible en el bloque en el que se ha definido
disponible en cualquier punto del programa
disponible solo en la página local
no existe ese ámbito de las variables
5.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Qué ámbito tiene una variable que está disponible en cualquier parte del programa
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Señala de los siguientes cuáles son tipos de datos en JavaScript
boolean
string
integer
number
double
7.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Qué propiedad me dice la cantidad de caracteres de una cadena:
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