Created
June 29, 2021 05:47
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Array.prototype.flatMap()
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| let arr1 = ["it's Sunny in", "", "California"]; | |
| arr1.map(x => x.split(" ")); | |
| // [["it's","Sunny","in"],[""],["California"]] | |
| arr1.flatMap(x => x.split(" ")); | |
| // ["it's","Sunny","in", "", "California"] |
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