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Array Traversing With HTML Input Field

My Program Successfull Run but Not Resolve Negative Number Input in Html input field Show message in alert Box Undefined Hot to Run else Conditon <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Array Traversing</title> <script> let…

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how to group double nested arrays based on index in javascript

I'm a newbie in JavaScript so any suggestion would be much appreciated. I have this array: var mixedArray = [["online","abc","def"],["offline","ghi","jkl"],["online","mno","pqr"],["offline","stu","vwx"] ] I want to output like this: var array1 = [["online","abc","def"],["online","mno","pqr"]] var array2 = [["offline","ghi","jkl"],["offline","stu","vwx"]] Is there any method to…

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