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JavaScript Practice forEach in JavaScript Practice forEach forEach Practice - 2

Seokhyun Wie
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Seokhyun Wie
Full Stack JavaScript Techdegree Graduate 21,606 Points
Posted by Seokhyun Wie
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Seokhyun Wie
Full Stack JavaScript Techdegree Graduate 21,606 Points

My answer is right, but it is not accepted as an answer.

const days = [
  "Sunday",
  "Monday",
  "Tuesday",
  "Wednesday",
  "Thursday",
  "Friday",
  "Saturday"
];
let dayAbbreviations = [];

// dayAbbreviations should be: ['Su', 'Mo', 'Tu', 'We', 'Th', 'Fr', 'Sa']
// Write your code below
days.forEach(day => {
  const twoChar = `${day[0]}${day[1]}`;
  dayAbbreviations.push(twoChar);
});

console.log(dayAbbreviations);

This prints out ['Su', 'Mo', 'Tu', 'We', 'Th', 'Fr', 'Sa'], but is not accepted as an answer.

app.js 
const days = ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'];
let dayAbbreviations = [];

// dayAbbreviations should be: ['Su', 'Mo', 'Tu', 'We', 'Th', 'Fr', 'Sa']
// Write your code below
days.forEach(day => {
  const twoChar = `${day[0]}${day[1]}`;
  dayAbbreviations.push(twoChar);
});

console.log(dayAbbreviations);

1 Answer

Steven Parker
Steven Parker
229,745 Points
Steven Parker
Steven Parker
229,745 Points

The validation mechanism used here was probably developed prior to ES6. Plus, a template string is a bit fancy (and unnecessarily verbose) for this challenge.

Try just using simple concatenation instead.

Seokhyun Wie
seal-mask
.a{fill-rule:evenodd;}techdegree seal-36
Seokhyun Wie
Full Stack JavaScript Techdegree Graduate 21,606 Points
Seokhyun Wie
.a{fill-rule:evenodd;}techdegree seal-36
Seokhyun Wie
Full Stack JavaScript Techdegree Graduate 21,606 Points

Thank you for answers always Steven. I was slightly more concentrated on RegEx because I just learned it. However, after I learned about map, reduce etc., now I totally understand why it can be regarded as verbose.