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Review Summary
Great work on this solution! Your use of recursion to build the nested list from the object is well-implemented and correctly meets all the project requirements. I am approving your submission.
For future improvement, consider how you could reduce code duplication. The logic inside your for...in loop in createTree (lines 26-37) is nearly identical to the forEach loop in createSubTree (lines 51-62). You could refactor this so that createTree simply acts as an entry point that calls your recursive createSubTree function and appends the final result. This would make the code cleaner and more maintainable by following the DRY (Don't Repeat Yourself) principle.
Keep up the excellent effort!
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Footnotes
| function createTree(element, data) { | ||
| // WRITE YOUR CODE HERE | ||
| const ul = document.createElement('ul'); | ||
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| for (const key in data) { | ||
| const li = document.createElement('li'); | ||
| li.textContent = key; | ||
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| const children = createSubTree(data[key]); | ||
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| if (children) { | ||
| li.appendChild(children); | ||
| } | ||
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| ul.appendChild(li); | ||
| } | ||
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| element.appendChild(ul); | ||
| } |
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The logic inside this for...in loop (lines 26-37) is almost identical to the logic inside the forEach loop in the createSubTree function (lines 51-62). This is code duplication.
The createSubTree function is already capable of building the entire tree structure. You can simplify this createTree function to just call createSubTree(data) and then append the resulting <ul> element to the element container. This avoids repeating code and makes the recursive nature of the solution clearer.
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