1.6 KiB
1.6 KiB
| id | title | challengeType | dashedName |
|---|---|---|---|
| 5d7925330f300c342315066d | Part 20 | 0 | part-20 |
--description--
In highPrecedence, define regex to be /([0-9.]+)([*\/])([0-9.]+)/.
--hints--
See description above for instructions.
assert(code.replace(/\s/g, '').includes('regex=/([0-9.]+)([*\\/])([0-9.]+)/'));
--seed--
--before-user-code--
<!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-user-code--
</body>
</html>
--seed-contents--
<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, (_, arg1, fn, arg2) =>
infixToFunction[fn](parseFloat(arg1), parseFloat(arg2))
);
const highPrecedence = str => {
return str;
};
</script>
--solutions--
<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, (_, arg1, fn, arg2) =>
infixToFunction[fn](parseFloat(arg1), parseFloat(arg2))
);
const highPrecedence = str => {
const regex = /([0-9.]+)([*\/])([0-9.]+)/;
return str;
};
</script>