Sheffield | May-2025 | Hassan Osman | Sprint-1 #469

HassanOHOsman · 2025-06-02T22:29:54Z

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This pull request includes the coursework for Sprint 1 of the Module: Structuring and Testing Data.

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Ask any questions you have for your reviewer.

cjyuan · 2025-06-14T00:05:38Z

Sprint-1/1-key-exercises/1-count.js

+ Answer: in line 3, the variable count gets reassigned a new value which is the sum of the old value and 1.
+In other words, the variable count is now adding 1 to its old value to obtain a new value.


Operation like count = count + 1 is very common in programming, and there is a programming term describing such operation.

Can you find out what one-word programming term describes the operation on line 3?

cjyuan · 2025-06-14T00:21:46Z

Sprint-1/1-key-exercises/4-random.js

+2. Math.floor(x) it rounds down x to a value that is less than or equal to x, while Math.random() it generates random 
+   numbers that are equal to 0 and less than 1.
+3. before we multiply (Math.random() by (maximum - minimum + 1) or vice versa, each expression gets evaulated 
+   first on its own. Math.random() leads to an integer between 0 and less 1, while (maximum - minimum + 1)) evaluates 
+   to 100. Then multiplication comes into place and we get floats from 0.00 and less than 100. Having Math.floor()
+   as a method basically means we now have random integers from 0 and 99. By considering the last part of the value
+   assigned to num, we now have random integers from 1 and 100 (both included).


A concise and precise way to describe a range of values is to use interval notation.
For example, we can say Math.random() returns a random number in the interval [0, 1).

Your description is correct but is a little bit verbose.
Could you try using ChatGPT to find a clearer, more concise way to describe the code?

cjyuan · 2025-06-14T00:26:21Z

Sprint-1/2-mandatory-errors/4.js

Have you also noticed the variable names do not quite match the values assigned to the variable?

In JS naming convention, variable names (include identifiers declared using const) usually begins with a lowercase letter. Names starting with an uppercase letter are used for built-in and custom data types (e.g., Math)

Changed this now.

cjyuan · 2025-06-14T00:28:33Z

Sprint-1/3-mandatory-interpret/1-percentage-change.js

+
+c) line 4 & line 5
+
+d) line 1 & line 2


Lines 7 and 8 are also declarations, although they are not really "variables".

cjyuan · 2025-06-14T00:34:52Z

Sprint-1/3-mandatory-interpret/1-percentage-change.js

+e) The last expression gets rid of all the commas present in the declared variables in line 1 & 2. or in other words, replaces them commas with
+no space between the characters separated by the commas. 


Can you ask ChatGPT to describe the code at line 5, and see if you can use something it suggests in your description?

cjyuan · 2025-06-14T00:35:51Z

Sprint-1/3-mandatory-interpret/2-time-format.js

+
+/*
+a) There are 6 in total.
+b) 0 function calls.


The number of function calls is more than 0.

cjyuan · 2025-06-14T00:38:17Z

Sprint-1/3-mandatory-interpret/2-time-format.js

+f) it works. However, if there's enough time to form a whole hour(s) for example the results shows the total mins and total secs and so 
+on. So I'd say it works.


if there's enough time to form a whole hour(s) for example the results shows the total mins and total secs and so
on.

What do you mean by this statement?

I was basically trying to say that it does work for all movie durations. However, and that depending on the value you may end up with 0 for the hour part and only values for the mins and secs or 0 for both hours and mins and only value for secs for even 0 for all hour, min & sec parts (if movieLength = 0 secs). Anyway, i've rephrased and simplified my response now.

cjyuan · 2025-06-14T00:40:12Z

Sprint-1/4-stretch-explore/chrome.md

 What is the return value of `prompt`?
+//undefined


Note: To view the return value of a function call, you need to output the return value to the console as console.log( function_call(...) ).

You can also find out exactly what the function returns from the MDN Web Docs website.

cjyuan · 2025-06-14T00:53:39Z

Sprint-1/4-stretch-explore/objects.md


 Answer the following questions:

 What does `console` store?
+//console doesn't store. it displays.


The question is asking what kind of properties are stored in the console object.

cjyuan · 2025-06-20T20:59:23Z

Sprint-1/4-stretch-explore/chrome.md

@@ -19,4 +19,4 @@ Now try invoking the function `prompt` with a string input of `"What is your nam
 What effect does calling the `prompt` function have?
 //prompt expect input from the user by showing a small window with space for input to be submitted once called.
 What is the return value of `prompt`?
-//undefined
+//a string - the name entered my the user.


If you were writing a program that uses prompt() to ask for an input value, how can
your program tell if the user clicked "OK" or "Cancel"?

when clicking ok it displays a string if the user entered a value otherwise, it leads to an empty string. when clicking cancel it displays null.

Both console.log("null") and console.log(null) can result in null appearing in the console.
Instead of focusing on the console output, it's clearer to explain what prompt() actually returns.

To be honest, I don't know how to answer this apart from the fact that when ok clicked the user's input is returned otherwise in cancellation null is returned.

The term "display" in your original comment suggested you are referring to the values output by console.log() in the console.

Returns is the standard technical term for what a function "generates". It aligns with programming language terminology.

Your latest description is correct.

when ok is clicked the user's input is returned otherwise in cancellation null is returned

cjyuan · 2025-06-20T21:01:54Z

Sprint-1/4-stretch-explore/objects.md

@@ -16,7 +16,7 @@ Try also entering `typeof console`
 Answer the following questions:

 What does `console` store?
-//console doesn't store. it displays.
+//it stores different logging, debugging, warning/errors and information properties.


What are these logging, debugging, ... properties? Are they numbers, strings, or ....?

They are indeed properties - Pairs of keys and their corresponding values.

Saying "console is an object that stores ... properties" is too vague; it doesn't explain what kind of properties they are or what they do. Are they storing numbers, strings, or something else? It would be more helpful to clarify what these properties actually represent. Can you provide more detail about them?

Done. Hopefully, my response is sufficient now.

Describing code can be quite challenging at first (even in your native language).
Knowing the proper terminologies is important.
That's why I keep suggesting using ChatGPT to explore alternative ways to describe code. Along the way, you might also pick up some useful programming terminology.

Noted. Really appreciate your feedback :)

Sprint-1/1-key-exercises/4-random.js

HassanOHOsman added 15 commits May 29, 2025 18:38

explained line 3 - variable reassignment

209ea8f

declared variable stores initial of each word

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created 2 variables to store different filepathes

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Completed Math object * its methods exercises

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Commented to avoid running my lines of code

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SyntaxError solved by commenting

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declaration keyword changed to let to solve error

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ReferenceError avoided by declaring variable first

2a36aae

last4Digits value updated to avoid error message.

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renamed variables to avoid syntax error

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added comma between inputs (line 5) to solve error

608f18d

completed time format

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explanation for the code provided

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V8 questions answered

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answered all questions

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HassanOHOsman added Needs Review Participant to add when requesting review 📅 Sprint 1 Assigned during Sprint 1 of this module labels Jun 2, 2025

cjyuan reviewed Jun 14, 2025

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HassanOHOsman added 9 commits June 20, 2025 16:11

updated = described line 3

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simplified description - used technical terms

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changed variable names to meet JS requirements

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updated answer for variable declaration question

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rephrased my answer for the last question

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updated my answer for the last question

41eff9e

rephrased my answer for Q -f

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changed my response to the last question

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changed some of my answers

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cjyuan reviewed Jun 20, 2025

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HassanOHOsman added 3 commits June 23, 2025 17:04

updated response to last question

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corrected my response to the 4th Q

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updated my responses

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HassanOHOsman added 2 commits June 24, 2025 20:20

updated response for "What does console store?"

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Edited answer 4 What's the return value of prompt?

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HassanOHOsman mentioned this pull request Jul 1, 2025

May-2025 | Structuring and testing data | Hassan osman HassanOHOsman/My-Coursework-Planner#53

Open

		Answer: in line 3, the variable count gets reassigned a new value which is the sum of the old value and 1.
		In other words, the variable count is now adding 1 to its old value to obtain a new value.

		e) The last expression gets rid of all the commas present in the declared variables in line 1 & 2. or in other words, replaces them commas with
		no space between the characters separated by the commas.

		f) it works. However, if there's enough time to form a whole hour(s) for example the results shows the total mins and total secs and so
		on. So I'd say it works.

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Sheffield | May-2025 | Hassan Osman | Sprint-1 #469

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HassanOHOsman commented Jun 2, 2025 •

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