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Last Updated: June 14, 2026
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100 JS Interview Questions - #27: Array: undefined elements vs empty elements
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Introduction to 100 Js Interview Questions 27 Array Undefined Elements Vs Empty Elements
Imagine you have this code: var a = [1, 2, 3]; a) Will this result in a crash? a[10] = 99; b) What will this output? console.log(a[6]); Are you looking to sharpen your problem-solving skills in Please like, share and if you found the video useful. Checkout the Playlists: FrontEnd javascriptinterviewquestionsinhindi How can I check for an In this video, I explain one of the most confusing and commonly asked
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