¿Qué imprime este código JavaScript?
console.log(3 + 4 + "5");
- A:
"345" - B:
"75" - C:
12 - D:
75
Respuesta en el primer comentario.
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Top comments (1)
Respuesta:
"75"El código JavaScript se ejecuta de arriba hacia abajo y de izquiera a derecha.
Primero realizamos la suma
3 + 4, puesto que ambos son de tiponumber; obtenemos7.Ahora tenemos
7 + "5", como"5"es de tipostring, ahora realizamos una concatenación de valores y porcoerción de tiposel resultado final seria"75"comostring.