Today I Learned - Rocky Kev

TIL flattening arrays

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TAGS: javascript

Have an array inside your array inside your array?


let theArray = [1, 2, [3, 4, [5, 6]]];


// flat() method
theArray.flat(0); // DOES NOTHING: [1, 2, [3, 4, [5, 6]]]

theArray.flat();  // DEFAULT: [1, 2, 3, 4, [5, 6]]
theArray.flat(1); // [1, 2, 3, 4, [5, 6]]
theArray.flat(2); // [1, 2, 3, 4, 5, 6]
theArray.flat(3); // [1, 2, 3, 4, 5, 6]

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