CHALLENGE

const items = ['apple', 'banana', 'cherry', 'date'];  

const result = items
  .map(item => item.toUpperCase())
  .filter(item => item.length > 5)
  .reduce((acc, item, index) => {
    return acc + (index === 0 ? '' : '-') + item.slice(0, 3);
  }, '');

console.log(result);

JavaScript

CHALLENGE

const items = ['apple', 'banana', 'cherry', 'date'];  

const result = items
  .map(item => item.toUpperCase())
  .filter(item => item.length > 5)
  .reduce((acc, item, index) => {
    return acc + (index === 0 ? '' : '-') + item.slice(0, 3);
  }, '');

console.log(result);

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hottg.com/javascript/2440

3.18K viewsJul 1 at 06:34