_.flatten

flatten_.flatten(array, [shallow])
Flattens a nested array (the nesting can be to any depth). If you pass shallow, the array will only be flattened a single level.

_.flatten([1, [2], [3, [[4]]]]);
=> [1, 2, 3, 4];
 
_.flatten([1, [2], [3, [[4]]]], true);
=> [1, 2, 3, [[4]]];

Links:

http://underscorejs.org/index#flatten

doc_Underscore

2025-01-10 15:47:30

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