Welcome to the Arrays and Functions MCQs Page
Dive deep into the fascinating world of Arrays and Functions with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Arrays and Functions, a crucial aspect of JavaScript. In this section, you will encounter a diverse range of MCQs that cover various aspects of Arrays and Functions, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within JavaScript.
Check out the MCQs below to embark on an enriching journey through Arrays and Functions. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of JavaScript.
Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Arrays and Functions. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!
Arrays and Functions MCQs | Page 1 of 4
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var count = [1,,3];
What is the observation made?
var a1 = [,,,];
var a2 = new Array(3);
0 in a1
0 in a2if (!a[i]) continue ;
What is the observation made ?
var a = [1,2,3,4,5];
a.slice(0,3);
What is the possible output for the above code snippet ?
var a = [];
a.unshift(1);
a.unshift(22);
a.shift();
a.unshift(3,[4,5]);
a.shift();
a.shift();
a.shift();Suggested Topics
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