Repaso 3

Repaso 3

University

5 Qs

quiz-placeholder

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Repaso 3

Repaso 3

Assessment

Quiz

Science, Computers

University

Practice Problem

Hard

Created by

Fabrizio Carlassara

Used 3+ times

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5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Cual es el resultado de:

isNaN("4") ?

undefined

false

true

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Que devuelve

"".length ?

0

undefined

null

2

3.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Cual de los siguientes valores hacen que isNaN(bar) sea true?

true

"1 3"

"feb14"

" "

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Como valido que el numero ingresado sea mayor a 0?

do {

var foo = parseInt(prompt(""));

} while([]);

!(foo < 0)

!(foo > 0)

(foo > 0)

(foo <= 0)

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Como valido que una variable este dentro de un rango (entre min y max)?

do {

var bar = parseInt(prompt(""));

} while([]);

(min < bar && bar < max)

!(min < bar && bar < max)

!(min > bar || max < bar)

(min > bar && bar > max)