Glasgow| 2026-ITP-Jan | Tuan Nguyen| Sprint 2 | Objects

[Jacknguyen4438]

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• I have titled my PR with Region | Cohort | FirstName LastName | Sprint | Assignment Title
• My changes meet the requirements of the task
• I have tested my changes
• My changes follow the style guide

Changelist

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Questions

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[cjyuan]

Some of the code is not consistently formatted.

Have you installed the prettier VSCode extension and enabled "Format on save/paste" on VSCode, as recommended in
https://github.com/CodeYourFuture/Module-Structuring-and-Testing-Data/blob/main/readme.md
?

[Jacknguyen4438]

@cjyuan Hello and thank you for the feed back I have make some change base on your feed back the brand is ready for your review again. If you read this and see the tag not a course work, sorry for the mis leading tags due to the PR validation system keep reject my request for re-review by remove the need review tags

[cjyuan]

Please revert the change to Sprint-3/alarmclock/index.html on this branch to keep it clean.

[cjyuan]

The function is supposed to check only if object is an object that is not an array, and whether the object has a property with the specified name. That is, the function should not need to check the property values.

[Jacknguyen4438]

THank you for your feed back. I have make some change to make sure the function operate what is suppose to do:

function contains(object, key) {
if (object === null ||typeof object !== "object" || Array.isArray(object)) {
return false;
}

if (Object.keys(object).length === 0) {
return false;
}

for (const item in object) {
if (item === key) {
return true;
}
}
return false;
}

[cjyuan]

If sumArray is null or undefined, line 2 will cause an error to be thrown.

[Jacknguyen4438]

Thank you for the feed back here is my solution:

function tally(sumArray) {
if (!Array.isArray(sumArray)) {
throw new Error("Input musk be an array");
}

if (sumArray.length === 0) return {};

let totalSum = {};
for (const item of sumArray) {
if (!Object.hasOwn(totalSum, item)) {
totalSum[item] = 1;
} else {
totalSum[item] += 1;
}
}
return totalSum;
}

[Jacknguyen4438]

Hello @cjyuan I have make change and ready to be review again

[cjyuan]

Looks good.