Arrays I

Arrays I

University

6 Qs

quiz-placeholder

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Arrays I

Arrays I

Assessment

Quiz

Science, Computers

University

Hard

Created by

Fabrizio Carlassara

Used 3+ times

FREE Resource

6 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Cual es la forma correcta de declarar un array?

let arr[];

let arr = [];

let arr = new Array[];

let arr = new Array(5);

2.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Como puedo agregar un elemento nuevo a un array?

let arr = [];

arr.pop(elemento);

arr.push(elemento);

arr.append(elemento);

arr[0] = elemento;

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Cual sera el valor del tercer elemento del array?

let arr = ["false", 6, undefined, null, true]

6

undefined

null

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Que obtengo en el alert?

let arr = [5, "false", true, 10];

arr[5] = "null";

alert(arr[4]);

null

"null"

undefined

Error

5.

FILL IN THE BLANK QUESTION

20 sec • 1 pt

Que falta en este bucle?

for(let i [] arr) {

// imprime los elementos

}

6.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Que falta en este bucle?

for(let i [] arr) {

// imprime los indices

}