Sign in Welcome! Log into your account your username your password Forgot your password? Get help Password recovery Recover your password your email A password will be e-mailed to you. HomeArenaQuiz #8 ArenaMCQ Quiz #8 By Coding Artist 13th November 2022 0 295 Share Facebook Twitter Pinterest WhatsApp 108 Created by Coding Artist Quiz #8 1 / 10 let a = 10;a = "hello";console.log(typeof a);What will the above code output to the console? throws error number object string 2 / 10 let a = "1" - "greet";if (a == true) { console.log("Hey");} else if (a == false) { console.log("Hello");} else { console.log("Goodbye");}What will the above code output to the console? Hello Goodbye Throws an error Hey 3 / 10 let a = "1";let b = true;console.log(a == b);What will the above code output to the console? false true 4 / 10 let myDetails = {    firstName: "Mitali",    lastName: "J",};console.log(myDetails[firstName]);What will the above code output to the console? Mitali Throws reference error undefined J 5 / 10 let x = 5;let y = 4;console.log(5 && 4);What will the above code output the console? true 4 5 false 6 / 10 let a = 1;let b = "true";console.log(a == b);What will the above code output to the console? true false 7 / 10 let x = 5;let y = 4;console.log(5 || 4);What will the above code output to the console? true 4 5 false 8 / 10 let arr = [1, 2, 3, 4];let len = arr.length;console.log(arr[len]); 4 NaN undefined null 9 / 10 let a;let b;console.log(a + b);a = 5;b = 6;What will the above code output to the console? undefined 11 Throws an error NaN 10 / 10 let x = null;let y = 4;console.log(x || y);What will the above code output to the console? true 4 false null Your score is The average score is 44% LinkedIn Facebook Twitter VKontakte 0% Restart quiz Tagscss advanced quizhtml quiz for beginnersintermediate javascript quizjavascript quizjavascript quiz bankjavascript quiz for beginnersjs quiz bankquizquiz bank Share Facebook Twitter Pinterest WhatsApp Previous articleMCQ – 12/11/22Next articleStyle Broken Images With CSS Coding Artist RELATED ARTICLES Arena Javascript Quiz For Intermediates 24th July 2023 Arena Javascript Quiz For Beginners 16th July 2023 Arena MCQ – 10/2/23 10th February 2023 LEAVE A REPLY Cancel reply Comment: Please enter your comment! Name:* Please enter your name here Email:* You have entered an incorrect email address! Please enter your email address here Website: Save my name, email, and website in this browser for the next time I comment. Please enter an answer in digits:sixteen − two = Most Popular How to Create a Responsive Masonry Grid Gallery Using Pure CSS 30th May 2025 Build an Image Gallery with Search and Filter Using HTML, CSS, and JavaScript 28th May 2025 Fully Responsive Navigation Menu With Dropdown 26th May 2025 Build a Random Joke Generator with HTML, CSS & JavaScript 24th May 2025 Load more