How do I filter an array?

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  There is an array that has subarrays: [1, 'string', [3, 4], 5, [6, 7]] .
  Only subarrays should be left: [[3,4], [6,7]] .

  JavaScript Wyatt Steele, Apr 28, 2019

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1 Answers
• 0
  arr.filter (Array.isArray);

  Anonymous

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