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Repaso 1

Authored by Fabrizio Carlassara

Science, Computers

University

Used 9+ times

Repaso 1
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6 questions

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1.

MULTIPLE SELECT QUESTION

20 sec • 1 pt

Cual de estas es la forma correcta de declarar una variable?

var foo;

let foo;

foo;

var foo

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Cual de los siguientes NO es un dato nativo de JavaScript?

Number

Float

Undefined

Null

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Que operador devuelve el resto de una operación?

&

|

%

$

4.

FILL IN THE BLANK QUESTION

30 sec • 5 pts

Que operador debo usar para preguntar si la variable es estrictamente igual al valor de la derecha?

if(foo [] 1)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Cual es la sintaxis correcta de los case de un switch?

case bar:

break;

case (bar):

break;

case (bar) {

}

case bar {

}

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Que devuelve la operación '13' + 1 ?

'131'

131

14

'14'

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