Cho đoạn code sau, đâu là đáp án đúng?
let a = [1, 2, 3];
let b = [1, 2, 3];
let c = '1,2,3';
console.log(a == c);
console.log(b == c);
console.log(a == b);
MD1_Ôn tập 2
1st - 5th Grade
•35 Qs
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MD1_Ôn tập 2
Quiz
•
Education
•
1st - 5th Grade
•
Hard
Bach Nguyen
Used 4+ times
FREE Resource
35 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
true, true, false
true, true, true
true, false, false
false, false false
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho đoạn code sau, đâu là đáp án đúng?
const fruits = ["Banana", "Orange", "Apple", "Mango"];
fruits.pop();
Orange,
Apple,
Mango,
Banana
Banana,
Orange,
Apple,
Mango
Orange,
Apple,
Mango
Banana,
Orange,
Apple
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho đoạn code sau, đâu là đáp án đúng?
const fruits = ["Banana", "Orange", "Apple", "Mango"];
fruits.unshift("Lemon", "Pineapple");
Lemon,
Pineapple,
Banana,
Orange,
Apple,
Mango
Pineapple,
Banana,
Orange,
Apple,
Mango,
Lemon,
Banana,
Orange,
Apple,
Pineapple,
Lemon
Banana,
Orange,
Apple,
Mango,
Lemon,
Pineapple,
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho mảng sau:
const number = [3, 6, 8, 2, 1, 5, 5, 6, 5, 4, 5, 5];
Độ dài của mảng trên là?
10
11
12
13
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho đoạn code sau, đáp án đúng là
const fruits = ["Banana", "Orange", "Apple", "Mango", "Apple"];
let index = fruits.indexOf("Apple", 3);
1
2
3
4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho đoạn code sau, đâu là đáp án đúng?
const fruits = ["Banana", "Orange", "Apple", "Mango"];
fruits.splice(2, 0, "Lemon", "Kiwi");
Banana,
Orange,
Apple,
Lemon,
Kiwi,
Apple,
Mango
Banana,
Lemon,
Kiwi,
Apple,
Mango
Banana,
Orange,
Lemon,
Kiwi,
Apple,
Mango
Banana,
Orange,
Apple,
Mango
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. Trang HTML sau sẽ hiển thị gì trên trình duyệt?
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<!-- Hà Nội mùa thu -->
1945 - 2017
</body> </html>
<!-- Hà Nội mùa thu -->
1945 – 2017
Hà Nội mùa thu1945 – 2017
1945 – 2017
Không hiển thị gì
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