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Challenge 49: CSV Header Parser

curriculum/challenges/english/blocks/daily-coding-challenges-javascript/68b7687dded630607aceccb3.md

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--description--

Given the first line of a comma-separated values (CSV) file, return an array containing the headings.

  • The first line of a CSV file contains headings separated by commas.
  • Remove any leading or trailing whitespace from each heading.

--hints--

getHeadings("name,age,city") should return ["name", "age", "city"].

js
assert.deepEqual(getHeadings("name,age,city"), ["name", "age", "city"]);

getHeadings("first name,last name,phone") should return ["first name", "last name", "phone"].

js
assert.deepEqual(getHeadings("first name,last name,phone"), ["first name", "last name", "phone"]);

getHeadings("username , email , signup date ") should return ["username", "email", "signup date"].

js
assert.deepEqual(getHeadings("username , email , signup date "), ["username", "email", "signup date"]);

--seed--

--seed-contents--

js
function getHeadings(csv) {

  return csv;
}

--solutions--

js
function getHeadings(csv) {
  return csv
    .split(",")
    .map(h => h.trim());
}