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Added questions 21 to 30 in faq_js.mdx #69

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Merged
merged 5 commits into from
Oct 20, 2024
Merged

Added questions 21 to 30 in faq_js.mdx #69

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438e783
Update dom.mdx
ananya8606 Oct 20, 2024
ff54aff
Update dom.mdx
ananya8606 Oct 20, 2024
0ac5851
Update faq_js.mdx
ananya8606 Oct 20, 2024
7eb3e67
Update dom.mdx
ananya8606 Oct 20, 2024
b12c32a
Merge branch 'main' into ananya8606-patch-1
ananya8606 Oct 20, 2024
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15 changes: 7 additions & 8 deletions web/src/pages/challenges/dom.mdx
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Expand Up @@ -368,20 +368,19 @@ function cloneDOMTree(root) {

```js copy
/**
* @param {HTMLElement | null} tree
* @return {number}
* Counts all child elements in a DOM tree.
*
* @param {HTMLElement | null} root - The root element from which to start counting.
* @return {number} - The total number of child elements.
*/
function countElements(root) {
if (!root) return 0;

let count = 1; // Count this element
let count = 1;

if (root.hasChildNodes()) {
for (let child of root.children) {
count += countElements(child);
}
for (let child of root.children) {
count += countElements(child);
}

return count;
}
```
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