JavaScript

JavaScript

University

19 Qs

quiz-placeholder

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JavaScript

JavaScript

Assessment

Quiz

Computers

University

Practice Problem

Hard

Created by

Sompasong Vongthavone

Used 11+ times

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19 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

ຊະນິດຂໍ້ມູນທີ່ເປັນ String ຕ້ອງໃຊ້ເຄື່ອງໝາຍໃດ?

' '

: :

{ }

[ ]

2.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

ການປະກາດໂຕປ່ຽນໃນ JavaScript ແມ່ນຕ້ອງໃຊ້ໂຕໃດ? (ຕ້ອງເລືອກຂໍ້ທີ່ຖືກຕ້ອງໃຫ້ຄົບ)

let

$

Dim

var

const

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

ການໃຊ້ງານ onclick event ແມ່ນຕອນໃດ?

ຕອນທີ່ແປ້ນພິມຖືກກົດລົງ

ຕອນທີ່ເມົ້າຖືກຄຼິກຂວາ

ຕອນທີ່ເມົ້າຖືກຄຼິກຊ້າຍ

ຕອນທີ່ແປ້ນພິມຖືກປ່ອຍ

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

ຄຳສັ່ງ onkeyup ແມ່ນໃຊ້ຕອນໃດ?

ຕອນແປ້ນພິມຖືກປ່ອຍ

ຕອນແປ້ນພິມຖືກກົດ

ຕອນເມົ້າຖືກປ່ອຍ

ຕອນເມົ້າຖືກກົດ

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

ຈົ່ງຂຽນຄຳສັ່ງປະກາດໂຕປ່ຽນ a=3 ເປັນຄ່າຄົງທີ່ ຕ້ອງໃຊ້ໂຕໃດ?

const a=3;

constant a=3;

let var a=3;

let const = 3;

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

var ແລະ let ແຕກຕ່າງກັນຄືແນວໃດ?

function scoped ແລະ block scoped

var string ແລະ let integer

function return ແລະ function void

var integer ແລະ let string

7.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

ຕ້ອງການສະແດງຂໍ້ຄວາມວ່າ Hello ໃນພາສາ JS (ເລືອກຫຼາຍກວ່າໜຶ່ງ)

alert('Hello');

console.log('Hello');

document.getElementById('result').innerHTML = 'Hello';

echo 'Hello'

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