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 #10 ArenaQuiz Quiz #10 By Coding Artist 2nd January 2023 0 703 Share Facebook Twitter Pinterest WhatsApp 201 Created by Coding Artist Quiz #10 1 / 10 var a = 10;var a = 20;console.log(a);What will the above code output to the console? 10 1020 Throws an Error 20 2 / 10 let person = { name: "Mitali", a: 26,};var a = "name";console.log(person[a]);What will the above code output to the console? 26 age name Mitali 3 / 10 if ([] || false) { console.log("Hi");}What will above code output to the console? Hi null Throws an error No Output 4 / 10 if (null)console.log("Hello World");console.log("Hi");What will the above code output to the console? Throws an Error Hello World Hi No Output 5 / 10 let student = { name: "Jim", age: 12, score: 80,};console.log(Object.values(student)); [name, age, score] 'Jim', 12, 80 ['Jim', 12, 80] name, age, score 6 / 10 let person = { name: "Mitali", a: 26,};var a = "name";console.log(person["a"]);What will the above code output to the console? Mitali name age 26 7 / 10 let arr = [10, 20, 30, 40, 50];console.log(arr[arr.length]);What will the above code output to the console? Throws an error undefined 50 5 8 / 10 console.log([] && false);What will the above code output to the console? Throws an error null [] false 9 / 10 let num = 1.148;let val = num.toFixed(6);console.log(val);What will the above code output to the console? 1.148000 1.148 1.1 1.2 10 / 10 var arr = [1, 2, 3, 4];var res = arr.map(function (a, i) { return "a";});console.log(res);What will the above code output to the console? ['a', 'a', 'a', 'a'] [1, 2, 3, 4] [1a, 2a, 3a, 4a] [a, a, a, a] Your score is The average score is 44% LinkedIn Facebook Twitter VKontakte 0% Restart quiz Tagscss advanced quizjavascript quizjavascript quiz for beginnersquizquiz app javascriptquiz bank Share Facebook Twitter Pinterest WhatsApp Previous articleMCQ – 1/1/23Next articleGet File Name From File Input With Javascript 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:two × 1 = Most Popular Build a Fun Balloon Pop Game Using HTML, CSS, and JavaScript 3rd July 2025 Build an Analog Clock with HTML, CSS, and JavaScript 3rd July 2025 Responsive Pricing Cards with Hover Effect Using HTML and CSS 2nd July 2025 Flashlight Effect With HTML, CSS and Javascript 1st July 2025 Load more