
Untitled Flashcards
Flashcard
•
Computers
•
University
•
Practice Problem
•
Hard
Emerson Adv
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7 questions
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1.
FLASHCARD QUESTION
Front
La función alert() se utiliza para imprimir mensajes en la consola del navegador.
Back
Falso
2.
FLASHCARD QUESTION
Front
En JavaScript, ¿cuál es el operador que verifica si dos valores son exactamente iguales en valor y tipo de dato?
Back
===
3.
FLASHCARD QUESTION
Front
La sintaxis let miVariable = "Hola"; es una forma válida de declarar una variable en JavaScript.
Back
Verdadero
4.
FLASHCARD QUESTION
Front
Para combinar (concatenar) dos textos o strings en JavaScript, ¿qué operador usarías?
Back
+
5.
FLASHCARD QUESTION
Front
¿Cuál es el método en JavaScript que se utiliza para convertir un objeto en una cadena JSON?
Back
JSON.stringify()
6.
FLASHCARD QUESTION
Front
En JavaScript, el operador typeof se utiliza para determinar el tipo de dato de una variable.
Back
Verdadero
7.
FLASHCARD QUESTION
Front
La función parseInt() se utiliza para convertir una cadena en un número entero en JavaScript.
Back
Verdadero
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