version 1

[dianakomar]

No description provided.

[mateacademy-ai-mentor]

Review Summary

Your solution is approved because it correctly implements the recursive createTree(element, data) function, builds the nested <ul>/<li> structure from object keys, and wires everything up as required. The main logic works as expected when #tree is present in the DOM and satisfies the core functional requirements of the task. To make it more robust, in src/scripts/main.js near the final createTree(tree, food) call, add a guard (e.g. check if (tree) before calling, or early-return in createTree if element is falsy) so it won’t throw if document.querySelector('#tree') ever returns null. Another non-blocking improvement is to replace the for..in loop over data inside createTree with for (const key of Object.keys(data)) (or add a hasOwnProperty check) to avoid iterating inherited properties. Overall, your recursive approach is clean and effective, and with these small refinements your solution would be more robust and future-proof.

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[mateacademy-ai-mentor]

The function is invoked unconditionally here. If document.querySelector('#tree') returns null, calling createTree(tree, food) will throw when it tries to append the created

. Wrap this call in the earlier if (tree) { ... } block or add a guard at the start of createTree to ensure element is a valid DOM node (per requirement that element must be a DOM element).

[mateacademy-ai-mentor]

Using for..in will iterate inherited enumerable properties as well. Consider iterating only own keys, e.g. for (const key of Object.keys(data)) { ... } or check Object.prototype.hasOwnProperty.call(data, key) to be safer when building the tree from the object.