Tell us what’s happening:
Hi, I’m trying to run the test in my project but when I click the button nothing happens, I’m using Microsoft Edge. I don’t know if there is an error in my project or the code is not uploading.
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=1.0">
<title>Palindrome Checker</title>
<link rel="stylesheet" href="styles.css">
</head>
<body>
<div class="container">
<figure>
<img src="https://cdn.freecodecamp.org/platform/universal/fcc_primary.svg" alt="Logo freeCodeCamp">
</figure>
<h1>Is it a Palindrome?</h1>
<div class="container-input">
<form onsubmit="return false;">
<label for="text-input">Enter in text to check for a palindrome:</label>
<input type="text" id="text-input"><button type="submit" id="check-btn">Check</button>
</form>
<div id="result"></div>
</div>
<div class="container-info">
<p><span>💡</span>A <i>palindrome</i> is a word or sentence that's spelled the same way both foward and backward, ignoring punctuation, case, and spacing.</p>
</div>
</div>
<script src="./script.js"></script>
</body>
</html>
/* file: styles.css */
*, ::after, ::before {
padding: 0;
margin: 0;
box-sizing: border-box;
}
:root {
--background-color: #0a0a23;
--text-light: #fff;
--text-dark: #0a0a23;
--color-blue: #002ead;
}
body {
font-size: 62.5%;
background-color: var(--background-color);
color: var(--text-light);
width: 100%;
height: 100vh;
display: grid;
place-content: center;
font-family: Verdana, Geneva, Tahoma, sans-serif;
}
img {width: 280px;}
h1 {font-size: 2.6rem;}
label {display: block; font-size: 1.2rem;}
.container {
width: 450px;
text-align: center;
display: flex;
flex-direction: column;
row-gap: 1.6rem;
}
.container-input {
background-color: white;
color: var(--text-dark);
width: 100%;
border-radius: 20px;
font-size: 1rem;
padding: 1.5rem 1rem;
box-shadow: 0px 6px 0px 0px #012791;
}
#text-input {
text-align: center;
border: none;
border-bottom: 2px solid var(--color-blue);
padding: 5px;
width: 60%;
font-size: 1.2rem;
margin: 2rem 0;
}
#check-btn {
background-color: var(--color-blue);
color: var(--text-light);
border-radius: 30px;
padding: 12px 28px;
border: none;
margin-left: 1rem;
cursor: pointer;
}
#check-btn:hover {
background-color: #022482;
}
.container-info {
background-color: #00471b;
font-size: 1.3rem;
padding: 1rem;
border-radius: 20px;
}
.text-result {
font-size: 1.4rem;
}
/* file: script.js */
const textInput = document.getElementById('text-input');
const checkButton = document.getElementById('check-btn');
const result = document.getElementById('result');
RegExp = /[^a-zA-Z0-9]/gi;
const textInputCleanFunction = (input) => {
const inputClean = input.toLowerCase().replace(RegExp, "");
isPalindrome(inputClean);
};
const isPalindrome = (input) => {
const inputNormal = input;
const inputReverse = input.split("").reverse().join("");
if (inputNormal === inputReverse) {
result.innerHTML = `<p class="text-result"><strong>${textInput.value}</strong> is a palindrome.`;
} else {
result.innerHTML = `<p class="text-result"><strong>${textInput.value}</strong> is not a palindrome.`;
}
textInput.value = "";
};
checkButton.addEventListener('click', () => {
textInput.value ? textInputCleanFunction(textInput.value) : alert('Please input a value.');
});
Your browser information:
User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36 Edg/120.0.0.0
Challenge Information:
Build a Palindrome Checker Project - Build a Palindrome Checker