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. HomeArenaMCQ – 8/11/22 ArenaMCQ MCQ – 8/11/22 By Coding Artist 8th November 2022 0 198 Share Facebook Twitter Pinterest WhatsApp 93 Created on October 30, 2022 By Coding Artist MCQ – 8/11/22 1 / 1 let arr = [1, 2, 3, 4];let len = arr.length;console.log(arr[len]); 4 undefined NaN null Your score is The average score is 59% LinkedIn Facebook Twitter VKontakte 0% Restart quiz Share Facebook Twitter Pinterest WhatsApp Previous articleDetect Device Orientation With JavascriptNext articleTea Cup Animation 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:3 × five = Most Popular Interactive Border Radius Tool | HTML, CSS & Javascript 9th May 2025 How to Create a Hide-On-Scroll Navbar with CSS and JavaScript 7th May 2025 Build a Fun ‘You vs Computer’ Game with HTML, CSS & JS 5th May 2025 Build a Custom Ice Cream Maker Using HTML, CSS, and JavaScript 2nd May 2025 Load more