chore(i18n,learn): processed translations (#117)

curriculum/challenges/chinese-traditional/15-javascript-algorithms-and-data-structures-22/learn-localstorage-by-building-a-todo-app/64ec9343769e8f85c1e17e05.md

@@ -14,13 +14,17 @@ dashedName: step-24
 你應該創建一個帶有類 `task` 的 `div` 元素。
 
 ```js
-assert.match(code, /<div\s+class\s*=\s*('|")task\1/)
+const splitted = code.split(/tasksContainer\s*\.\s*innerHTML\s*\+=\s*`/)[1]
+const matched = __helpers.removeJSComments(splitted).match(/<div(?<attributes>.*?)>\s*<\/\s*div\s*>/);
+assert.match(matched?.groups.attributes, /\s+class\s*=\s*('|")task\1(\s|$)/);
 ```
 
 你的 `div` 元素應該具有 `id` `${id}`。
 
 ```js
-assert.match(code, /<div\s+class\s*=\s*('|")task\1\s*id\s*=\s*('|")\$\{id\}\2\s*>\s*<\/div>/)
+const splitted = code.split(/tasksContainer\s*\.\s*innerHTML\s*\+=\s*`/)[1]
+const matched = __helpers.removeJSComments(splitted).match(/<div(?<attributes>.*?)>\s*<\/\s*div\s*>/);
+assert.match(matched?.groups.attributes, /\s+id\s*=\s*('|")\$\{id\}\1(\s|$)/);
 ```
 
 # --seed--

curriculum/challenges/chinese-traditional/17-college-algebra-with-python/learn-applications-of-linear-systems/word-problems.md

@@ -14,7 +14,9 @@ dashedName: word-problems
 
 \- <a href="https://lyryx.com/subjects/business/business-mathematics/" target="_blank" rel="noopener noreferrer nofollow">《商業數學分步手冊（2021）》，作者 Jean-Paul Oliver</a>
 
-\- <a href="https://openstax.org/details/books/algebra-and-trigonometry" target="_blank" rel="noopener noreferrer nofollow">《代數與三角學》，作者 Jay Abramson</a>
+\- <a href="https://cdn.freecodecamp.org/curriculum/college-algebra/AlgebraAndTrigonometry-OP_1tE6R5r.pdf" target="_blank" rel="noopener noreferrer nofollow">Algebra and Trigonometry by Jay Abramson</a> - sourced from OpenStax under <a href="https://creativecommons.org/licenses/by/4.0/" target="_blank">Creative Commons Attribution 4.0 International (CC BY 4.0)</a>
+
+It is also possible to download the Algebra and Trigonometry textbook from the <a href="https://openstax.org/details/books/algebra-and-trigonometry" target="_blank" rel="noopener noreferrer nofollow">OpenStax website</a>. You will need to find the correct textbook and then download the PDF. The page numbers for the assignment are based on the first link for this book.
 
 # --assignment--
 

curriculum/challenges/chinese-traditional/17-college-algebra-with-python/learn-ratios-and-proportions/introduction-to-college-algebra-with-python.md

@@ -14,7 +14,9 @@ dashedName: introduction-to-college-algebra-with-python
 
 \- <a href="https://lyryx.com/subjects/business/business-mathematics/" target="_blank" rel="noopener noreferrer nofollow">《商業數學分步手冊（2021）》，作者 Jean-Paul Oliver</a>
 
-\- <a href="https://openstax.org/details/books/algebra-and-trigonometry" target="_blank" rel="noopener noreferrer nofollow">《代數與三角學》，作者 Jay Abramson</a>
+\- <a href="https://cdn.freecodecamp.org/curriculum/college-algebra/AlgebraAndTrigonometry-OP_1tE6R5r.pdf" target="_blank" rel="noopener noreferrer nofollow">Algebra and Trigonometry by Jay Abramson</a> - sourced from OpenStax under <a href="https://creativecommons.org/licenses/by/4.0/" target="_blank">Creative Commons Attribution 4.0 International (CC BY 4.0)</a>
+
+It is also possible to download the Algebra and Trigonometry textbook from the <a href="https://openstax.org/details/books/algebra-and-trigonometry" target="_blank" rel="noopener noreferrer nofollow">OpenStax website</a>. You will need to find the correct textbook and then download the PDF. The page numbers for the assignment are based on the first link for this book.
 
 # --assignment--
 

curriculum/challenges/chinese-traditional/24-b1-english-for-developers/learn-how-to-describe-places-and-events/66c62747744dc4178785207d.md

@@ -40,7 +40,7 @@ Because the IDEs are not installed correctly.
 
 ### --feedback--
 
-TOm is not frustrated about instalation.
+Tom is not frustrated about installation.
 
 ---
 

curriculum/challenges/chinese-traditional/25-front-end-development/lab-bookmark-manager-app/66def5467aee701733aaf8cc.md

@@ -14,7 +14,7 @@ Fulfill the user stories below and get all the tests to pass to complete the lab
 
 **用戶需求：**
 
-1. You should have a `getBookmarks` function that returns the `bookmarks` array stored in the local storage. If the `bookmarks` key has not been set yet, the `getBookmarks` function should return an empty array.
+1. You should have a `getBookmarks` function that returns the `bookmarks` array stored in the local storage. If the `bookmarks` key has not been set yet, or it doesn't contain a valid array with bookmarks, the `getBookmarks` function should return an empty array.
 1. The `bookmarks` key stored in the local storage should be an array of bookmark objects. Each bookmark object should have three keys: `name`, `category`, and `url`.
 1. You should have a function named `displayOrCloseForm` that toggles the `hidden` class on `#main-section` and `#form-section`.
 1. When you click `#add-bookmark-button`, you should update the inner text of `.category-name` to be the value of the selected option from `#category-dropdown` and call `displayOrCloseForm` to display the form section and hide the main section.
@@ -24,10 +24,10 @@ Fulfill the user stories below and get all the tests to pass to complete the lab
 1. You should have a function named `displayOrHideCategory` that toggles the `hidden` class on `#main-section` and `#bookmark-list-section`.
 1. When you click `#view-category-button`, you should update the inner text of `.category-name` to be the value of the selected option from `#category-dropdown`, modify the inner HTML of `#category-list` according to the user stories below, and call the `displayOrHideCategory` function.
 1. If none of the bookmarks in local storage have the category, you should set the inner HTML of the `#category-list` to a `p` element with the text `No Bookmarks Found`.
-1. If one or more bookmarks in local storage have the selected category you should add a radio button with `id` and `value` attributes set to the bookmark name to the `#category-list`'s inner HTML for each of those bookmarks.
+1. If one or more bookmarks in local storage have the selected category, you should add a radio button with `id` and `value` attributes, and set to the bookmark name to the `#category-list`'s inner HTML for each of those bookmarks. Additionally, each radio button should have the same `name` attribute.
 1. Each radio button should have a corresponding label containing an anchor element with the bookmark name and the `href` attribute set to the bookmark URL.
-1. When you click `#close-list-button`, you should run your function to hide the `#bookmark-list-section` and display the main section.
-1. When you click `#delete-bookmark-button`, you should delete the bookmark corresponding to the selected radio button from the local storage and update the displayed bookmark list.
+1. When you click the `#close-list-button`, you should run your function to hide the `#bookmark-list-section` and display the main section.
+1. When you click the `#delete-bookmark-button`, you should delete the bookmark corresponding to the selected radio button and appropriate category from the local storage and update the displayed bookmark list.
 
 # --hints--
 
@@ -69,6 +69,24 @@ try {
 }
 ```
 
+When the `bookmarks` key in the `localStorage` does not contain a valid array of bookmark objects, the `getBookmarks` function should return an empty array.
+
+```js
+try {
+  localStorage.setItem("bookmarks", 'invalid');
+  const arrayFromInvalidValue = getBookmarks();
+  assert.isArray(arrayFromInvalidValue);
+  assert.isEmpty(arrayFromInvalidValue);
+
+  localStorage.setItem("bookmarks", JSON.stringify([{name: "example1", category: "news", notUrl: "example1.com"}]));
+  const arrayFromInvalidArray = getBookmarks();
+  assert.isArray(arrayFromInvalidArray)
+  assert.isEmpty(arrayFromInvalidArray)
+} finally {
+  resetLocalStorage();
+}
+```
+
 You should have a function named `displayOrCloseForm`.
 
 ```js
@@ -201,7 +219,7 @@ try {
 }
 ```
 
-When you click `#view-category-button`, you should modify `#category-list`'s inner HTML by adding a radio button having the `id` and `value` attributes set to the bookmark name for each bookmark in the selected category.
+When you click the `#view-category-button`, you should modify the `#category-list` element's inner HTML by adding a radio button. The radio button should have the `id` and `value` attributes set to the bookmark name for each bookmark in the selected category. Additionally, each radio button should have the same `name` attribute.
 
 ```js
 try {
@@ -214,6 +232,8 @@ try {
   assert.strictEqual(bookmarksDisplayed[0].value, "example1");
   assert.strictEqual(bookmarksDisplayed[1].id, "example4");
   assert.strictEqual(bookmarksDisplayed[1].value, "example4");
+  assert.isOk(bookmarksDisplayed[0].name)
+  assert.strictEqual(bookmarksDisplayed[0].name, bookmarksDisplayed[1].name);
 } finally {
   resetLocalStorage();
 }
@@ -262,7 +282,49 @@ closeListButtonTest.dispatchEvent(new Event("click"));
 assert.strictEqual(getHidden("bookmark list"), "bookmark list");
 ```
 
-When you click `#delete-bookmark-button`, you should delete the bookmark corresponding to the selected radio button from the local storage and update the displayed bookmark list.
+When you click the `#close-list-button` and then open any category, the `#category-list` should contain only data relevant for the selected category, without duplicating entries.
+
+```js
+setLocalStorage();
+try {
+  categoryDropdownTest.value = "miscellaneous";
+  viewCategoryButtonTest.dispatchEvent(new Event("click"));
+  const categoryList = document.getElementById("category-list").innerHTML;
+  assert.strictEqual(categoryList, "<p>No Bookmarks Found</p>");
+
+  closeListButtonTest.dispatchEvent(new Event("click"));
+  categoryDropdownTest.value = "news";
+  viewCategoryButtonTest.dispatchEvent(new Event("click"));
+
+  const newsBookmarks = document.querySelectorAll('#category-list input[type="radio"]');
+  assert.lengthOf(newsBookmarks, 2);
+  assert.strictEqual(newsBookmarks[0].id, "example1");
+  assert.strictEqual(newsBookmarks[0].value, "example1");
+  assert.strictEqual(newsBookmarks[1].id, "example4");
+  assert.strictEqual(newsBookmarks[1].value, "example4");
+
+  closeListButtonTest.dispatchEvent(new Event("click"));
+  categoryDropdownTest.value = "work";
+  viewCategoryButtonTest.dispatchEvent(new Event("click"));
+
+  const workBookmarks = document.querySelectorAll('#category-list input[type="radio"]');
+  assert.lengthOf(workBookmarks, 1);
+  assert.strictEqual(workBookmarks[0].id, "example3");
+  assert.strictEqual(workBookmarks[0].value, "example3");
+
+  categoryDropdownTest.value = "miscellaneous";
+  viewCategoryButtonTest.dispatchEvent(new Event("click"));
+
+  const paragraphs = document.querySelectorAll("#category-list p");
+  assert.lengthOf(paragraphs, 1);
+  assert.strictEqual(paragraphs[0].innerText, "No Bookmarks Found");
+} finally {
+  resetLocalStorage();
+  clearCategoryList();
+}
+```
+
+When you click the `#delete-bookmark-button`, you should delete the bookmark corresponding to the selected radio button and appropriate category from the local storage and update the displayed bookmark list.
 
 ```js
 setLocalStorage();
@@ -282,6 +344,16 @@ try {
   const expected = [{name: "example2", category: "entertainment", url: "example2.com"}, {name: "example3", category: "work", url: "example3.com"}, {name: "example4", category: "news", url: "example4.com"}];
   assert.deepEqual(getBookmarks(), expected);
 
+  localStorage.setItem("bookmarks", JSON.stringify([{name: "duplicated-name", category: "news", url: "example1.com"}, {name: "duplicated-name", category: "entertainment", url: "example2.com"}]));
+
+  categoryDropdownTest.value = "entertainment";
+  viewCategoryButtonTest.dispatchEvent(new Event("click"));
+  const radioForDuplicate = document.querySelector('#category-list input[type="radio"]');
+  radioForDuplicate.checked = true;
+
+  deleteBookmarkButtonTest.dispatchEvent(new Event("click"));
+
+  assert.deepEqual(getBookmarks(), [{name: "duplicated-name", category: "news", url: "example1.com"}])
 } finally {
   resetLocalStorage();
 }
@@ -529,7 +601,26 @@ const addBookmarkButtonForm = document.getElementById("add-bookmark-button-form"
 const categoryList = document.getElementById("category-list");
 const closeListButton = document.getElementById("close-list-button");
 const deleteBookmarkButton = document.getElementById("delete-bookmark-button");
-const getBookmarks = () => JSON.parse(localStorage.getItem("bookmarks")) || [];
+
+const getBookmarks = () => {
+  try {
+    const parsed = JSON.parse(localStorage.getItem("bookmarks"));
+    if (
+      Array.isArray(parsed) &&
+      parsed.every(
+        (item) =>
+          item.hasOwnProperty("category") &&
+          item.hasOwnProperty("name") &&
+          item.hasOwnProperty("url"),
+      )
+    ) {
+      return parsed;
+    }
+    return [];
+  } catch {
+    return [];
+  }
+};
 
 const displayOrCloseForm = () => {
     mainSection.classList.toggle("hidden");
@@ -570,12 +661,7 @@ const displayOrHideCategory = () => {
 const fillBookmarkList = () => {
     categoryHeading[1].innerText = categoryDropdown.value.charAt(0).toUpperCase()
         + categoryDropdown.value.slice(1);
-    const bookmarksToDisplay = getBookmarks().filter((i) => {
-        if (i.category === categoryDropdown.value) {
-            return true
-        }
-        return false
-    });
+    const bookmarksToDisplay = getBookmarks().filter((i) => i.category === categoryDropdown.value);
     if (bookmarksToDisplay.length) {
         categoryList.innerHTML = '';
         for (const bookmark of bookmarksToDisplay) {
@@ -604,7 +690,7 @@ const deleteBookmark = () => {
     for (const radioBookmark of radioBookmarks) {
         if (radioBookmark.checked) {
             const bookmarks = getBookmarks();
-            const indexToRemove = bookmarks.findIndex(i => i.name == radioBookmark.value);
+            const indexToRemove = bookmarks.findIndex(i => i.name == radioBookmark.value && i.category === categoryDropdown.value);
             bookmarks.splice(indexToRemove, 1);
             localStorage.setItem("bookmarks", JSON.stringify(bookmarks));
             return

curriculum/challenges/chinese-traditional/25-front-end-development/lab-leap-year-calculator/66c06fad3475cd92421b9ac2.md

@@ -58,6 +58,12 @@ With `2024` as the value of the `year` variable, the `result` should be `2024 is
 assert.strictEqual(isLeapYear(2024), '2024 is a leap year.');
 ```
 
+With `2000` as the value of the `year` variable, the `result` should be `2000 is a leap year.`.
+
+```js
+assert.strictEqual(isLeapYear(2000), '2000 is a leap year.');
+```
+
 With `1900` as the value of the `year` variable, the `result` should be `1900 is not a leap year.`.
 
 ```js
@@ -74,7 +80,7 @@ assert.match(__helpers.removeJSComments(code), /isLeapYear\(\s*year\s*\)/);
 You should store the result of calling the `isLeapYear` function in a variable named `result`.
 
 ```js
-assert.match(__helpers.removeJSComments(code), /const\s+result\s*=\s*isLeapYear\(\s*year\s*\)/);
+assert.match(__helpers.removeJSComments(code), /(?:var|let|const)\s+result\s*=\s*isLeapYear\(\s*year\s*\)/);
 ```
 
 You should output the `result` to the console using `console.log()`.

curriculum/challenges/chinese-traditional/25-front-end-development/lab-travel-agency-page/669e2f60e83c011754f711f9.md

@@ -159,13 +159,13 @@ for (let e of listItems) {
 The anchor element of your first list item should wrap the text `Group Travels`.
 
 ```js
-assert.equal(document.querySelectorAll('a')[0]?.innerText, 'Group Travels');
+assert.equal(document.querySelectorAll('li > a')[0]?.innerText, 'Group Travels');
 ```
 
 The anchor element of your second list item should wrap the text `Private Tours`.
 
 ```js
-assert.equal(document.querySelectorAll('a')[1]?.innerText, 'Private Tours');
+assert.equal(document.querySelectorAll('li > a')[1]?.innerText, 'Private Tours');
 ```
 
 You should have an `h2` element after your unordered list.

curriculum/challenges/chinese-traditional/25-front-end-development/lecture-welcome-to-freecodecamp/6734e2c5780912abd874e79c.md

@@ -86,36 +86,36 @@ All of the above.
 
 ## --text--
 
-What is the recommended strategy for pacing yourself through the freeCodeCamp certification coursework?
+What makes each freeCodeCamp certification unique?
 
 ## --answers--
 
-Code for several hours one day a week.
+It has its own unique verification URL.
 
 ### --feedback--
 
-Learning to code is a marathon, not a sprint.
+Think about the features mentioned that verify authenticity and uniqueness.
 
 ---
 
-Code for half an hour every day.
-
----
-
-Complete all coursework in one month.
+It has its own unique serial number.
 
 ### --feedback--
 
-Learning to code is a marathon, not a sprint.
+Think about the features mentioned that verify authenticity and uniqueness.
 
 ---
 
-Work only on weekends.
+It has its own QR code.
 
 ### --feedback--
 
-Learning to code is a marathon, not a sprint.
+Think about the features mentioned that verify authenticity and uniqueness.
+
+---
+
+All of the above.
 
 ## --video-solution--
 
-2
+4

curriculum/challenges/chinese-traditional/25-front-end-development/lecture-working-with-functions/672d269da46786225e3fe3fd.md

@@ -2,7 +2,7 @@
 id: 672d269da46786225e3fe3fd
 title: What Is the Purpose of Functions, and How Do They Work?
 challengeType: 11
-videoId: sU2mIGNjBtc
+videoId: maLeO3YCqxs
 dashedName: what-is-the-purpose-of-functions-and-how-do-they-work
 ---
 

curriculum/challenges/chinese-traditional/25-front-end-development/lecture-working-with-strings-in-javascript/673263e80dd43da7df3ae565.md

@@ -86,35 +86,35 @@ Remember, you can pass a second argument to the method to control where the sear
 
 ## --text--
 
-What type of function is `indexOf` in JavaScript?
+What type of method is `indexOf` in JavaScript?
 
 ## --answers--
 
 A standalone function.
 
 ### --feedback--
 
-Methods are functions that belong to specific objects in JavaScript.
+Consider the type of object that deals with text in JavaScript.
 
 ---
 
-A method of the `Array` object.
+A method of the `Date` object.
 
 ### --feedback--
 
-Methods are functions that belong to specific objects in JavaScript.
+Consider the type of object that deals with text in JavaScript.
 
 ---
 
 A method of the `String` object.
 
 ---
 
-A mathematical function.
+A method of the `Math` object.
 
 ### --feedback--
 
-Methods are functions that belong to specific objects in JavaScript.
+Consider the type of object that deals with text in JavaScript.
 
 ## --video-solution--
 

curriculum/challenges/chinese-traditional/25-front-end-development/quiz-basic-css/66ed8fa2f45ce3ece4053eab.md

@@ -215,7 +215,7 @@ Which selector is correct to target the next sibling of an `img`?
 
 #### --text--
 
-Which selector is correct to target all siblings of an `img`?
+Which selector is correct to target all siblings preceded by an `img` element?
 
 #### --distractors--