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 #1 | Javascript Quiz ArenaQuiz Quiz #1 | Javascript Quiz By Coding Artist 2nd August 2022 0 817 Share Facebook Twitter Pinterest WhatsApp 0% 247 Quiz #1 1 / 10 console.log(null && 45);What will the above code output to the console? true false null 45 2 / 10 var arr = [1, 2, 3, 4, 5];var arr1 = arr;arr1.push(6);console.log(arr); [1, 2, 3, 4, 5] [6] [1,2,3,4,5,6] 3 / 10 console.log(dog);var dog = "Daisy";What will the above code output to console? Daisy Console throws a reference error null undefined Nope! That wasn't the right answer Yippie! You got it right. 4 / 10 var myAr = [10, 20, 30, 40];var newMyAr = [0, ...myAr, 50];console.log(newMyAr); [0,[10, 20, 30, 40, 50] [0, 10, 20, 30, 40, 50] [0, [10, 20, 30, 40], 50] 5 / 10 greet();function greet() { console.log("Hello");}function greet() { console.log("Hi");}What will the above code output to the console? Undefined Hello Throws Reference Error Hi 6 / 10 let myFunc = function () { console.log("hello 1");};let myFunc = function () { console.log("hello 2");};myFunc(); hello 2 hello 1 Throws SyntaxError Throws Reference Error 7 / 10 let p, q;[p, q] = [1];console.log(p, q); 1 1 undefined 1 1 undefined Throws SyntaxError 8 / 10 if ( null || [ ] ) { console.log("Hello World");}What will the above code output to the console? Hello World No Output 9 / 10 var a = [1, 2];var b = [3, 4];var c = [...a, ...b];console.log(c); [1,2,3,4] [1234] [[1,2],[3,4]] 10 / 10 var arr = [1, 2, 3, 4, 5];var arr1 = [...arr];arr1.push(6);console.log(arr); [6] [1, 2, 3, 4, 5] [1,2,3,4,5,6] Your score is The average score is 45% LinkedIn Facebook Twitter VKontakte 0% Restart quiz Tagscss advanced quizcss basic quizcss beginners quizcss fundamentals quizjavascriptjavascript MCQjavascript quizjavascript testquiz Share Facebook Twitter Pinterest WhatsApp Previous articleMCQ – 2/8/22Next articleFlashcard App 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:15 + 11 = Most Popular 3D Tilt Food Cards Using HTML, CSS & JavaScript 28th June 2025 Easy Copy to Clipboard Using HTML, CSS, and JavaScript 23rd June 2025 Creating Responsive Cards Without Media Queries Using CSS Grid 18th June 2025 Creating a Tinder-Style Swipe Card UI with HTML, CSS, and JavaScript 16th June 2025 Load more