* fix: renamed basic html cat photo app steps * fix: renamed css-variables project steps * fix: renamed d3-dashboard filenames * fix: renamed rpg-game filenames * fix: renamed functional-progamming-spreadsheet filenames * fix: renamed calorie-counter project filenames
1.5 KiB
1.5 KiB
id, title, challengeType, isHidden
id | title | challengeType | isHidden |
---|---|---|---|
5d792532b07918c3a5904913 | Part 5 | 0 | true |
Description
Anonymous functions are functions without names - they are used only once and then forgotten. The syntax is the same as for normal functions but without the name:
function(x) {
return x
}
First, remove the addVar
definition.
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 addVar = add;
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 infixToFunction = {};
</script>