array map arrow function

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Enrico
27 Jan 2018
1materials.map((str) => {
2  const {length} = str;
3  return length;
4});
Martín
01 Jan 2021
1const exampleArray = ['aa','bbc','ccdd'];
2console.log(exampleArray.map(a => a.length));
3//Would print out [2,3,4]
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