freeCodeCamp/part-004.md at cc464a6e56e18fce98e51c31fcc85682fa8ae7f8

chore(learn): Remove remaining isHidden keys from frontmatter (English and Chinese challenges) (#39809 )

* fix: remove isHidden key from tool template

* fix: removed isHidden key from English challenges

* fix: remove isHidden key from Chinese challenges

2020-10-08 14:18:47 +02:00

1.5 KiB

Raw Blame History

id, title, challengeType

id	title	challengeType
5d7925329445167ecc2ac9c9	Part 4	0

Description

In JavaScript, functions are first class. This means that they can be used like any other values - for example, they can be assigned to variables.

Assign add to a new variable addVar.

Instructions

Tests

tests:
  - text: See description above for instructions.
    testString: assert(code.replace(/\s/g, "").includes("constaddVar=add"));

Challenge Seed

<script>

function add(x, y) {
  return x + y;
}

const infixToFunction = {};


</script>

Before Test

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Spreadsheet</title>
  <style>
    #container {
      display: grid;
      grid-template-columns: 50px repeat(10, 200px);
      grid-template-rows: repeat(11, 30px);
    }
    .label {
      background-color: lightgray;
      text-align: center;
      vertical-align: middle;
      line-height: 30px;
    }
  </style>
</head>
<body>
<div id="container">
  <div></div>
</div>

After Test

</body>
</html>

Solution

<script>
function add(x, y) {
  return x + y;
}

const addVar = add;

const infixToFunction = {};
</script>

1.5 KiB Raw Blame History