Here is my code: function flatten (arr) { arr2 = []; } for (let i = 0; i < arr.length; i++) { arr2.concat(arr[i]); } return arr2; But...it doesn't seem to be working! Fix my code so that it correctly flattens the array. Examples flatten([[1, 2], [3, 4]]) → [] // Expected: [1, 2, 3, 4] flatten([["a", "b"], ["c", "d"]]) // Expected: ["a", "b", "c", "d"] [] flatten ([[true, false], [false, false]]) // Expected: [true, false, false, false] []
Here is my code: function flatten (arr) { arr2 = []; } for (let i = 0; i < arr.length; i++) { arr2.concat(arr[i]); } return arr2; But...it doesn't seem to be working! Fix my code so that it correctly flattens the array. Examples flatten([[1, 2], [3, 4]]) → [] // Expected: [1, 2, 3, 4] flatten([["a", "b"], ["c", "d"]]) // Expected: ["a", "b", "c", "d"] [] flatten ([[true, false], [false, false]]) // Expected: [true, false, false, false] []
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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