Tell us what’s happening:
fCC test constantly states: " Your rangeRegex should use a character class in the capture group. Your rangeRegex should use a character class to match A through J."
Can someone please fully explain, where I have NOT used a character class in the capture group.
As the fCC tests are Very verbose; the instructions should Explicitly state what character class and capture group are required; as there are many different acceptable solutions; yet the fCC test is only concerned with ONE specific solution!
I have tried different regex variations in my local environment and they work.
This type of response from the fCC tests is NOT HELPFUL to those new to learning javascript.
https://www.freecodecamp.org/learn/javascript-algorithms-and-data-structures-v8/learn-functional-programming-by-building-a-spreadsheet/step-35
Your code so far
<!-- file: index.html -->
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<link rel="stylesheet" href="./styles.css" />
<title>Functional Programming Spreadsheet</title>
</head>
<body>
<div id="container">
<div></div>
</div>
<script src="./script.js"></script>
</body>
</html>
/* file: styles.css */
#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;
}
/* file: script.js */
const isEven = num => num % 2 === 0;
const sum = nums => nums.reduce((acc, el) => acc + el, 0);
const average = nums => sum(nums) / nums.length;
const median = nums => {
const sorted = nums.slice().sort((a, b) => a - b);
const length = sorted.length;
const middle = length / 2 - 1;
return isEven(length)
? average([sorted[middle], sorted[middle + 1]])
: sorted[Math.ceil(middle)];
}
const spreadsheetFunctions = {
sum,
average,
median
}
const range = (start, end) => Array(end - start + 1).fill(start).map((element, index) => element + index);
const charRange = (start, end) => range(start.charCodeAt(0), end.charCodeAt(0)).map(code => String.fromCharCode(code));
// User Editable Region
const evalFormula = (x, cells) => {
const idToText = id => cells.find(cell => cell.id === id).value;
const rangeRegex = /([A-J][1-9])\d*:([A-J][1-9])\d*|([A-J][1-9]\d*)/g;
}
// User Editable Region
window.onload = () => {
const container = document.getElementById("container");
const createLabel = (name) => {
const label = document.createElement("div");
label.className = "label";
label.textContent = name;
container.appendChild(label);
}
const letters = charRange("A", "J");
letters.forEach(createLabel);
range(1, 99).forEach(number => {
createLabel(number);
letters.forEach(letter => {
const input = document.createElement("input");
input.type = "text";
input.id = letter + number;
input.ariaLabel = letter + number;
input.onchange = update;
container.appendChild(input);
})
})
}
const update = event => {
const element = event.target;
const value = element.value.replace(/\s/g, "");
if (!value.includes(element.id) && value.startsWith('=')) {
}
}
Your browser information:
User Agent is: Mozilla/5.0 (X11; Linux x86_64; rv:122.0) Gecko/20100101 Firefox/122.0
Challenge Information:
Learn Functional Programming by Building a Spreadsheet - Step 35