Computer Science and Engineering › Javascript Data Types MCQ › Question #4907
Single Choice Difficult

QWhat is the result of the following code? 
var arr = [1, 2, 3];
console.log(Array.isArray(arr));

ID: #4907 Javascript Data Types MCQ 183 views
Question Info
#4907Q ID
DifficultDifficulty
Javascript Data Types MCQTopic
Start Quiz on This Topic
 Your Answer

Choose the Best Option

Click any option to instantly check if you're correct.

  • A true ✔ ✖
  • B false ✔ ✖
  • C "true" ✔ ✖
  • D "false" ✔ ✖
Correct Answer

Explanation

The Array.isArray method in JavaScript is a method that can be used to determine whether a value is an array.
In this case, the Array.isArray method is called with the array [1, 2, 3] as the argument.
Since the value is an array, the Array.isArray method will return true.

 Continue Practice
Previous Question Next Question
 Share

Share This Question

Challenge a friend or share with your study group.

 More from This Topic

Related MCQ Questions

What is the result of the following code? var map = new Map(); map.set(1, "one"); map.set(2, "two"); console.log(map.size);... Which of the following is not a primitive data type in JavaScript?... What does the following function do in JavaScript? function toUpperCase(str) { return str.toUpperCase(); }... What is the result of the following code? var num = 10; num++; console.log(num);... What is the result of the following code? var obj = {}; console.log(Object.is(obj, {}));... What is the result of the following code? var num = 10; console.log(typeof num);... What does the following function do in JavaScript? function getArea(radius) { return Math.PI * radius * radius; }... What is the result of the following code? var set = new Set(); set.add(1); set.add(2); console.log(set.has(2));... What is the result of the following code? var num1 = 10; var num2 = "20"; console.log(num1 + num2);... What is the result of the following code? var str = "Hello"; console.log(str.toUpperCase());...