This set of Javascript Multiple Choice Questions & Answers (MCQs) focuses on “Loops in JavaScript”. 1. What will be the output of the following JavaScript code? function printArray(a) { var len = a.length, i = 0; if (len == 0) console.log("Empty Array"); else { do { console.log(a[i]); } while (++i < len); } } a) … Read more
This set of Javascript Multiple Choice Questions & Answers (MCQs) focuses on “Statements”. 1. JavaScript is a _______________ language. a) Object-Oriented b) High-level c) Assembly-language d) Object-Based 2. What will be the output of the following JavaScript code? var a=5 , b=1 var obj = { a : 10 } with(obj) { alert(b) } a) … Read more
This set of Javascript Multiple Choice Questions & Answers (MCQs) focuses on “Expressions and Operators”. 1. What will be the output of the following JavaScript code? var string1 = ”123”; var intvalue = 123; alert( string1 + intvalue ); a) 123246 b) 246 c) 123123 d) Exception 2. A function definition expression can be called … Read more
This set of Javascript Multiple Choice Questions & Answers (MCQs) focuses on “Types, Values and Variables”. 1. JavaScript Code can be called by using ___________ a) RMI b) Triggering Event c) Preprocessor d) Function/Method 2. The type of a variable that is volatile is _______________ a) Volatile variable b) Mutable variable c) Immutable variable d) … Read more
This set of Javascript Multiple Choice Questions & Answers (MCQs) focuses on “Lexical Structure”. 1. The web development environment (JavaScript) offers which standard construct for data validation of the input entered by the user. a) Controlled loop constructs b) Server page access c) Client side Event d) Permit server-side 2. The main purpose of a … Read more
