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| /*Intermediate Algorithm Scripting: Steamroller | |
| Flatten a nested array. You must account for varying levels of nesting. | |
| https://learn.freecodecamp.org/javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/steamroller | |
| */ | |
| function steamrollArray(arr) { | |
| // I'm a steamroller, baby | |
| let tempArray = []; | |
| for (let i=0; i < arr.length; i++){ | |
| if (Array.isArray(arr[i])){ | |
| tempArray = tempArray.concat(steamrollArray(arr[i])) | |
| } else { | |
| tempArray.push(arr[i]); | |
| } | |
| } | |
| return tempArray; | |
| } | |
| steamrollArray([1, [2], [3, [[4]]]]); | |
| /* | |
| steamrollArray([[["a"]], [["b"]]]) should return ["a", "b"]. | |
| Passed | |
| steamrollArray([1, [2], [3, [[4]]]]) should return [1, 2, 3, 4]. | |
| Passed | |
| steamrollArray([1, [], [3, [[4]]]]) should return [1, 3, 4]. | |
| Passed | |
| steamrollArray([1, {}, [3, [[4]]]]) should return [1, {}, 3, 4]. | |
| Passed | |
| */ |
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