Tell us what’s happening:
i cannot pass step 20 When you click the #sort-btn, you should make use of the highlightCurrentEls function to highlight the elements being compared in each step i dont know why
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">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Sorting Visualizer</title>
<link rel="stylesheet" href="styles.css">
</head>
<body>
<main>
<div id="array-container">
<div id="starting-array"></div>
</div>
<div id="btn-container">
<button id="generate-btn" type="button">Generate Array</button>
<button id="sort-btn" type="button">Sort Array</button>
</div>
</main>
<script src="script.js"></script>
</body>
</html>
/* file: styles.css */
* {
box-sizing: border-box;
}
main {
height: 100vh;
display: flex;
justify-content: center;
flex-direction: column;
align-items: center;
}
#array-container {
max-height: 95vh;
display: flex;
flex-direction: column;
flex-wrap: wrap;
gap: 2px;
}
#array-container>div {
min-width: 8rem;
height: 2rem;
box-shadow: rgba(50, 50, 93, 0.25) 0px 2px 5px -1px, rgba(0, 0, 0, 0.3) 0px 1px 3px -1px;
border-radius: 10px;
margin-bottom: 0.2rem;
border: 2px solid darkgray;
display: flex;
justify-content: space-evenly;
align-items: center;
}
#starting-array {
border: 4px solid darkblue !important;
}
#btn-container {
display: flex;
justify-content: space-around;
}
button {
padding: 2px;
margin: 5px;
}
span {
border-radius: 2px;
padding: 0.5px;
margin: 0
}
@media (min-width: 430px) {
#array-container>div {
min-width: 12rem;
}
span {
padding: 1px;
margin: 1px;
}
}
/* file: script.js */
function generateElement() {
const min = 1;
const max = 100;
return Math.floor(Math.random() * (max - min + 1)) + min;
}
const generateArray = () => {
const arr = [];
for (let i = 0; i < 5; i++) {
arr.push(generateElement());
}
return arr;
};
const generateContainer = () => {
return document.createElement("div");
};
const fillArrContainer = (htmlElement, arr) => {
htmlElement.innerHTML = "";
for (let i = 0; i < arr.length; i++) {
const span = document.createElement("span");
span.textContent = arr[i];
htmlElement.append(span);
}
};
const isOrdered = (num1, num2) => {
return num1 <= num2;
};
const swapElements = (arr, index) => {
if (!isOrdered(arr[index], arr[index + 1])) {
[arr[index], arr[index + 1]] = [arr[index + 1], arr[index]];
}
};
const highlightCurrentEls = (htmlElement, index) => {
htmlElement.children[index].style.border = "2px dashed red";
if (htmlElement.children[index + 1] !== undefined) {
htmlElement.children[index + 1].style.border = "2px dashed red";
}
};
const generateBtn = document.getElementById("generate-btn");
const startingArr = document.getElementById("starting-array");
const arrContainer = document.getElementById("array-container");
const sortBtn = document.getElementById("sort-btn");
let createdArr;
generateBtn.addEventListener("click", () => {
createdArr = generateArray();
const removeEl = arrContainer.querySelectorAll(":not(#starting-array)");
removeEl.forEach((el) => el.remove());
fillArrContainer(startingArr, createdArr);
});
const bubbleSort = () => {
const arr = [...createdArr];
fillArrContainer(startingArr, arr);
highlightCurrentEls(startingArr, 0);
let swapped = true;
while (swapped) {
swapped = false;
for (let j = 0; j < arr.length - 1; j++) {
if (!isOrdered(arr[j], arr[j + 1])) {
swapped = true;
}
swapElements(arr, j);
const genContainer = generateContainer();
fillArrContainer(genContainer, arr);
highlightCurrentEls(genContainer, j);
arrContainer.append(genContainer);
}
}
};
sortBtn.addEventListener("click", () => {
bubbleSort();
});
Your browser information:
User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Safari/537.36
Challenge Information:
Build a Sorting Visualizer - Build a Sorting Visualizer
