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 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] 2 / 10 var arr = [1, 2, 3, 4, 5];var arr1 = [...arr];arr1.push(6);console.log(arr); [1, 2, 3, 4, 5] [1,2,3,4,5,6] [6] 3 / 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] 4 / 10 greet();function greet() { console.log("Hello");}function greet() { console.log("Hi");}What will the above code output to the console? Throws Reference Error Hi Hello Undefined 5 / 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]] 6 / 10 if ( null || [ ] ) { console.log("Hello World");}What will the above code output to the console? No Output Hello World 7 / 10 let p, q;[p, q] = [1];console.log(p, q); Throws SyntaxError 1 1 undefined 1 1 undefined 8 / 10 console.log(dog);var dog = "Daisy";What will the above code output to console? Console throws a reference error Daisy null undefined Nope! That wasn't the right answer Yippie! You got it right. 9 / 10 let myFunc = function () { console.log("hello 1");};let myFunc = function () { console.log("hello 2");};myFunc(); Throws Reference Error hello 1 Throws SyntaxError hello 2 10 / 10 console.log(null && 45);What will the above code output to the console? 45 false null true 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:five × five = 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