2019-11-05 02:09:40 -01:00
|
|
|
---
|
|
|
|
|
id: 5d7925330918ae4a2f282e7e
|
2020-08-25 02:19:45 -07:00
|
|
|
title: Part 12
|
2019-11-05 02:09:40 -01:00
|
|
|
challengeType: 0
|
2021-01-13 03:31:00 +01:00
|
|
|
dashedName: part-12
|
2019-11-05 02:09:40 -01:00
|
|
|
---
|
|
|
|
|
|
2020-11-27 19:02:05 +01:00
|
|
|
# --description--
|
2019-11-05 02:09:40 -01:00
|
|
|
|
|
|
|
|
Use arrow function syntax to define a function `infixEval` which takes `str` and `regex` as arguments and returns `str.replace(regex, "")`.
|
|
|
|
|
|
2020-11-27 19:02:05 +01:00
|
|
|
# --hints--
|
2019-11-05 02:09:40 -01:00
|
|
|
|
2020-11-27 19:02:05 +01:00
|
|
|
See description above for instructions.
|
2019-11-05 02:09:40 -01:00
|
|
|
|
2020-11-27 19:02:05 +01:00
|
|
|
```js
|
|
|
|
|
assert(
|
|
|
|
|
/constinfixEval=\(str,regex\)=>str\.replace\(regex,['"]{2}\)/.test(
|
|
|
|
|
code.replace(/\s/g, '')
|
|
|
|
|
)
|
|
|
|
|
);
|
2019-11-05 02:09:40 -01:00
|
|
|
```
|
|
|
|
|
|
2020-11-27 19:02:05 +01:00
|
|
|
# --seed--
|
2019-11-05 02:09:40 -01:00
|
|
|
|
2020-11-27 19:02:05 +01:00
|
|
|
## --before-user-code--
|
2019-11-05 02:09:40 -01:00
|
|
|
|
|
|
|
|
```html
|
|
|
|
|
<!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>
|
|
|
|
|
```
|
|
|
|
|
|
2020-11-27 19:02:05 +01:00
|
|
|
## --after-user-code--
|
2019-11-05 02:09:40 -01:00
|
|
|
|
|
|
|
|
```html
|
|
|
|
|
</body>
|
|
|
|
|
</html>
|
|
|
|
|
```
|
|
|
|
|
|
2020-11-27 19:02:05 +01:00
|
|
|
## --seed-contents--
|
|
|
|
|
|
|
|
|
|
```html
|
|
|
|
|
<script>
|
2019-11-05 02:09:40 -01:00
|
|
|
|
2020-11-27 19:02:05 +01:00
|
|
|
const infixToFunction = {
|
|
|
|
|
"+": (x, y) => x + y,
|
|
|
|
|
"-": (x, y) => x - y,
|
|
|
|
|
"*": (x, y) => x * y,
|
|
|
|
|
"/": (x, y) => x / y
|
|
|
|
|
};
|
2019-11-05 02:09:40 -01:00
|
|
|
|
|
|
|
|
|
2020-11-27 19:02:05 +01:00
|
|
|
</script>
|
|
|
|
|
```
|
2019-11-05 02:09:40 -01:00
|
|
|
|
2020-11-27 19:02:05 +01:00
|
|
|
# --solutions--
|
2019-11-05 02:09:40 -01:00
|
|
|
|
|
|
|
|
```html
|
|
|
|
|
<script>
|
|
|
|
|
const infixToFunction = {
|
|
|
|
|
"+": (x, y) => x + y,
|
|
|
|
|
"-": (x, y) => x - y,
|
|
|
|
|
"*": (x, y) => x * y,
|
|
|
|
|
"/": (x, y) => x / y
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
const infixEval = (str, regex) => str.replace(regex, "");
|
|
|
|
|
</script>
|
|
|
|
|
```
|
