Level: Mid-Level
Education: BA CS
Years of Experience (YOE): 4
Questions Asked:
Custom DOM Traversal:
Function Signature: getElementsByClassnameHierarchy(root, 'a>b>c')
Description:

• Find all elements with class c
• Ensure their parent has class b, and their grandparent has class a
• Traverse the DOM accordingly and return matching nodes

---

Tags:
Dropbox, Frontend Engineer, Phone Screen