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index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Document</title>
<style>
/* method-1 */
/* html,
body {
height: 100%;
} */
/* .container {
display: flex;
justify-content: center;
align-items: center;
height: 100%;
} */
.box {
border: 2px solid red;
width: 100px;
height: 100px;
}
/* method-2 */
/* .container {
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
border: 2px solid red;
width: 100px;
height: 100px;
} */
/* method-3 */
/* .container {
position: relative;
top: 50%;
left: 50%;
transform: translate(-50%, 50%);
border: 2px solid red;
width: 100px;
height: 100px;
} */
/* method-4 */
/* * {
margin: 0;
padding: 0;
}
.container {
border: 2px solid red;
width: 100%;
height: 100vh;
}
.box {
border: 2px solid yellow;
width: 100px;
height: 100px;
margin: auto;
margin-top: auto;
} */
</style>
</head>
<body>
<!-- <div class="container">
<div class="box"></div>
</div>
-->
<!-- <script src="Discussion_questions.js"></script> -->
<script>
const arr = [1, 2, 3, 4, [5, [6, 7]], 8];
const newArr = [];
function flattenArr(arr) {
for (let i = 0; i < arr.length; i++) {
const elementLength = arr[i].length;
if (elementLength > 0) {
flattenArr(arr[i]);
} else {
newArr.push(arr[i]);
}
}
return newArr;
}
const result = flattenArr(arr);
console.log(result);
</script>
</body>
</html>